21598380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 51945300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 37, 45, 46, 47, 54, 60, 69, 74, 90, 92, 94, 108, 111, 115, 135, 138, 141, 148, 180, 185, 188, 207, 222, 230, 235, 270, 276, 282, 333, 345, 370, 414, 423, 444, 460, 470, 540, 555, 564, 621, 666, 690, 705, 740, 828, 846, 851, 940, 999, 1035, 1081, 1110, 1242, 1269, 1332, 1380, 1410, 1665, 1692, 1702, 1739, 1998, 2070, 2115, 2162, 2220, 2484, 2538, 2553, 2820, 3105, 3243, 3330, 3404, 3478, 3996, 4140, 4230, 4255, 4324, 4995, 5076, 5106, 5217, 5405, 6210, 6345, 6486, 6660, 6956, 7659, 8460, 8510, 8695, 9729, 9990, 10212, 10434, 10810, 12420, 12690, 12765, 12972, 15318, 15651, 16215, 17020, 17390, 19458, 19980, 20868, 21620, 22977, 25380, 25530, 26085, 29187, 30636, 31302, 32430, 34780, 38295, 38916, 39997, 45954, 46953, 48645, 51060, 52170, 58374, 62604, 64860, 76590, 78255, 79994, 91908, 93906, 97290, 104340, 114885, 116748, 119991, 145935, 153180, 156510, 159988, 187812, 194580, 199985, 229770, 234765, 239982, 291870, 313020, 359973, 399970, 459540, 469530, 479964, 583740, 599955, 719946, 799940, 939060, 1079919, 1199910, 1439892, 1799865, 2159838, 2399820, 3599730, 4319676, 5399595, 7199460, 10799190, 21598380]

約数ペア:

[(1, 21598380), (2, 10799190), (3, 7199460), (4, 5399595), (5, 4319676), (6, 3599730), (9, 2399820), (10, 2159838), (12, 1799865), (15, 1439892), (18, 1199910), (20, 1079919), (23, 939060), (27, 799940), (30, 719946), (36, 599955), (37, 583740), (45, 479964), (46, 469530), (47, 459540), (54, 399970), (60, 359973), (69, 313020), (74, 291870), (90, 239982), (92, 234765), (94, 229770), (108, 199985), (111, 194580), (115, 187812), (135, 159988), (138, 156510), (141, 153180), (148, 145935), (180, 119991), (185, 116748), (188, 114885), (207, 104340), (222, 97290), (230, 93906), (235, 91908), (270, 79994), (276, 78255), (282, 76590), (333, 64860), (345, 62604), (370, 58374), (414, 52170), (423, 51060), (444, 48645), (460, 46953), (470, 45954), (540, 39997), (555, 38916), (564, 38295), (621, 34780), (666, 32430), (690, 31302), (705, 30636), (740, 29187), (828, 26085), (846, 25530), (851, 25380), (940, 22977), (999, 21620), (1035, 20868), (1081, 19980), (1110, 19458), (1242, 17390), (1269, 17020), (1332, 16215), (1380, 15651), (1410, 15318), (1665, 12972), (1692, 12765), (1702, 12690), (1739, 12420), (1998, 10810), (2070, 10434), (2115, 10212), (2162, 9990), (2220, 9729), (2484, 8695), (2538, 8510), (2553, 8460), (2820, 7659), (3105, 6956), (3243, 6660), (3330, 6486), (3404, 6345), (3478, 6210), (3996, 5405), (4140, 5217), (4230, 5106), (4255, 5076), (4324, 4995)]