21308898840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{18913}}^1$

素因数の和:19197

約数の個数: 128

約数和(自身を含む): 65775326400

約数和(自身を除く): 44466427560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 229, 246, 328, 410, 458, 492, 615, 687, 820, 916, 984, 1145, 1230, 1374, 1640, 1832, 2290, 2460, 2748, 3435, 4580, 4920, 5496, 6870, 9160, 9389, 13740, 18778, 18913, 27480, 28167, 37556, 37826, 46945, 56334, 56739, 75112, 75652, 93890, 94565, 112668, 113478, 140835, 151304, 187780, 189130, 225336, 226956, 281670, 283695, 375560, 378260, 453912, 563340, 567390, 756520, 775433, 1126680, 1134780, 1550866, 2269560, 2326299, 3101732, 3877165, 4331077, 4652598, 6203464, 7754330, 8662154, 9305196, 11631495, 12993231, 15508660, 17324308, 18610392, 21655385, 23262990, 25986462, 31017320, 34648616, 43310770, 46525980, 51972924, 64966155, 86621540, 93051960, 103945848, 129932310, 173243080, 177574157, 259864620, 355148314, 519729240, 532722471, 710296628, 887870785, 1065444942, 1420593256, 1775741570, 2130889884, 2663612355, 3551483140, 4261779768, 5327224710, 7102966280, 10654449420, 21308898840]

約数ペア:

[(1, 21308898840), (2, 10654449420), (3, 7102966280), (4, 5327224710), (5, 4261779768), (6, 3551483140), (8, 2663612355), (10, 2130889884), (12, 1775741570), (15, 1420593256), (20, 1065444942), (24, 887870785), (30, 710296628), (40, 532722471), (41, 519729240), (60, 355148314), (82, 259864620), (120, 177574157), (123, 173243080), (164, 129932310), (205, 103945848), (229, 93051960), (246, 86621540), (328, 64966155), (410, 51972924), (458, 46525980), (492, 43310770), (615, 34648616), (687, 31017320), (820, 25986462), (916, 23262990), (984, 21655385), (1145, 18610392), (1230, 17324308), (1374, 15508660), (1640, 12993231), (1832, 11631495), (2290, 9305196), (2460, 8662154), (2748, 7754330), (3435, 6203464), (4580, 4652598), (4920, 4331077), (5496, 3877165), (6870, 3101732), (9160, 2326299), (9389, 2269560), (13740, 1550866), (18778, 1134780), (18913, 1126680), (27480, 775433), (28167, 756520), (37556, 567390), (37826, 563340), (46945, 453912), (56334, 378260), (56739, 375560), (75112, 283695), (75652, 281670), (93890, 226956), (94565, 225336), (112668, 189130), (113478, 187780), (140835, 151304)]