21926760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 70848000

約数和(自身を除く): 48921240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 59, 60, 76, 95, 114, 118, 120, 152, 163, 177, 190, 228, 236, 285, 295, 326, 354, 380, 456, 472, 489, 570, 590, 652, 708, 760, 815, 885, 978, 1121, 1140, 1180, 1304, 1416, 1630, 1770, 1956, 2242, 2280, 2360, 2445, 3097, 3260, 3363, 3540, 3912, 4484, 4890, 5605, 6194, 6520, 6726, 7080, 8968, 9291, 9617, 9780, 11210, 12388, 13452, 15485, 16815, 18582, 19234, 19560, 22420, 24776, 26904, 28851, 30970, 33630, 37164, 38468, 44840, 46455, 48085, 57702, 61940, 67260, 74328, 76936, 92910, 96170, 115404, 123880, 134520, 144255, 182723, 185820, 192340, 230808, 288510, 365446, 371640, 384680, 548169, 577020, 730892, 913615, 1096338, 1154040, 1461784, 1827230, 2192676, 2740845, 3654460, 4385352, 5481690, 7308920, 10963380, 21926760]

約数ペア:

[(1, 21926760), (2, 10963380), (3, 7308920), (4, 5481690), (5, 4385352), (6, 3654460), (8, 2740845), (10, 2192676), (12, 1827230), (15, 1461784), (19, 1154040), (20, 1096338), (24, 913615), (30, 730892), (38, 577020), (40, 548169), (57, 384680), (59, 371640), (60, 365446), (76, 288510), (95, 230808), (114, 192340), (118, 185820), (120, 182723), (152, 144255), (163, 134520), (177, 123880), (190, 115404), (228, 96170), (236, 92910), (285, 76936), (295, 74328), (326, 67260), (354, 61940), (380, 57702), (456, 48085), (472, 46455), (489, 44840), (570, 38468), (590, 37164), (652, 33630), (708, 30970), (760, 28851), (815, 26904), (885, 24776), (978, 22420), (1121, 19560), (1140, 19234), (1180, 18582), (1304, 16815), (1416, 15485), (1630, 13452), (1770, 12388), (1956, 11210), (2242, 9780), (2280, 9617), (2360, 9291), (2445, 8968), (3097, 7080), (3260, 6726), (3363, 6520), (3540, 6194), (3912, 5605), (4484, 4890)]