21238200

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 288

約数和(自身を含む): 81244800

約数和(自身を除く): 60006600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 25, 27, 30, 36, 38, 40, 45, 46, 50, 54, 57, 60, 69, 72, 75, 76, 81, 90, 92, 95, 100, 108, 114, 115, 120, 135, 138, 150, 152, 162, 171, 180, 184, 190, 200, 207, 216, 225, 228, 230, 243, 270, 276, 285, 300, 324, 342, 345, 360, 380, 405, 414, 437, 450, 456, 460, 475, 486, 513, 540, 552, 570, 575, 600, 621, 648, 675, 684, 690, 760, 810, 828, 855, 874, 900, 920, 950, 972, 1026, 1035, 1080, 1140, 1150, 1215, 1242, 1311, 1350, 1368, 1380, 1425, 1539, 1620, 1656, 1710, 1725, 1748, 1800, 1863, 1900, 1944, 2025, 2052, 2070, 2185, 2280, 2300, 2430, 2484, 2565, 2622, 2700, 2760, 2850, 3078, 3105, 3240, 3420, 3450, 3496, 3726, 3800, 3933, 4050, 4104, 4140, 4275, 4370, 4600, 4617, 4860, 4968, 5130, 5175, 5244, 5400, 5589, 5700, 6075, 6156, 6210, 6555, 6840, 6900, 7452, 7695, 7866, 8100, 8280, 8550, 8740, 9234, 9315, 9720, 10260, 10350, 10488, 10925, 11178, 11400, 11799, 12150, 12312, 12420, 12825, 13110, 13800, 14904, 15390, 15525, 15732, 16200, 17100, 17480, 18468, 18630, 19665, 20520, 20700, 21850, 22356, 23085, 23598, 24300, 24840, 25650, 26220, 27945, 30780, 31050, 31464, 32775, 34200, 35397, 36936, 37260, 38475, 39330, 41400, 43700, 44712, 46170, 46575, 47196, 48600, 51300, 52440, 55890, 58995, 61560, 62100, 65550, 70794, 74520, 76950, 78660, 87400, 92340, 93150, 94392, 98325, 102600, 106191, 111780, 115425, 117990, 124200, 131100, 139725, 141588, 153900, 157320, 176985, 184680, 186300, 196650, 212382, 223560, 230850, 235980, 262200, 279450, 283176, 294975, 307800, 353970, 372600, 393300, 424764, 461700, 471960, 530955, 558900, 589950, 707940, 786600, 849528, 884925, 923400, 1061910, 1117800, 1179900, 1415880, 1769850, 2123820, 2359800, 2654775, 3539700, 4247640, 5309550, 7079400, 10619100, 21238200]

約数ペア:

[(1, 21238200), (2, 10619100), (3, 7079400), (4, 5309550), (5, 4247640), (6, 3539700), (8, 2654775), (9, 2359800), (10, 2123820), (12, 1769850), (15, 1415880), (18, 1179900), (19, 1117800), (20, 1061910), (23, 923400), (24, 884925), (25, 849528), (27, 786600), (30, 707940), (36, 589950), (38, 558900), (40, 530955), (45, 471960), (46, 461700), (50, 424764), (54, 393300), (57, 372600), (60, 353970), (69, 307800), (72, 294975), (75, 283176), (76, 279450), (81, 262200), (90, 235980), (92, 230850), (95, 223560), (100, 212382), (108, 196650), (114, 186300), (115, 184680), (120, 176985), (135, 157320), (138, 153900), (150, 141588), (152, 139725), (162, 131100), (171, 124200), (180, 117990), (184, 115425), (190, 111780), (200, 106191), (207, 102600), (216, 98325), (225, 94392), (228, 93150), (230, 92340), (243, 87400), (270, 78660), (276, 76950), (285, 74520), (300, 70794), (324, 65550), (342, 62100), (345, 61560), (360, 58995), (380, 55890), (405, 52440), (414, 51300), (437, 48600), (450, 47196), (456, 46575), (460, 46170), (475, 44712), (486, 43700), (513, 41400), (540, 39330), (552, 38475), (570, 37260), (575, 36936), (600, 35397), (621, 34200), (648, 32775), (675, 31464), (684, 31050), (690, 30780), (760, 27945), (810, 26220), (828, 25650), (855, 24840), (874, 24300), (900, 23598), (920, 23085), (950, 22356), (972, 21850), (1026, 20700), (1035, 20520), (1080, 19665), (1140, 18630), (1150, 18468), (1215, 17480), (1242, 17100), (1311, 16200), (1350, 15732), (1368, 15525), (1380, 15390), (1425, 14904), (1539, 13800), (1620, 13110), (1656, 12825), (1710, 12420), (1725, 12312), (1748, 12150), (1800, 11799), (1863, 11400), (1900, 11178), (1944, 10925), (2025, 10488), (2052, 10350), (2070, 10260), (2185, 9720), (2280, 9315), (2300, 9234), (2430, 8740), (2484, 8550), (2565, 8280), (2622, 8100), (2700, 7866), (2760, 7695), (2850, 7452), (3078, 6900), (3105, 6840), (3240, 6555), (3420, 6210), (3450, 6156), (3496, 6075), (3726, 5700), (3800, 5589), (3933, 5400), (4050, 5244), (4104, 5175), (4140, 5130), (4275, 4968), (4370, 4860), (4600, 4617)]