21163080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5689}}^1$

素因数の和:5734

約数の個数: 64

約数和(自身を含む): 65548800

約数和(自身を除く): 44385720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5689, 11378, 17067, 22756, 28445, 34134, 45512, 56890, 68268, 85335, 113780, 136536, 170670, 176359, 227560, 341340, 352718, 529077, 682680, 705436, 881795, 1058154, 1410872, 1763590, 2116308, 2645385, 3527180, 4232616, 5290770, 7054360, 10581540, 21163080]

約数ペア:

[(1, 21163080), (2, 10581540), (3, 7054360), (4, 5290770), (5, 4232616), (6, 3527180), (8, 2645385), (10, 2116308), (12, 1763590), (15, 1410872), (20, 1058154), (24, 881795), (30, 705436), (31, 682680), (40, 529077), (60, 352718), (62, 341340), (93, 227560), (120, 176359), (124, 170670), (155, 136536), (186, 113780), (248, 85335), (310, 68268), (372, 56890), (465, 45512), (620, 34134), (744, 28445), (930, 22756), (1240, 17067), (1860, 11378), (3720, 5689)]