21305460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1741

約数の個数: 96

約数和(自身を含む): 68544000

約数和(自身を除く): 47238540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1699, 2090, 2508, 3135, 3398, 4180, 5097, 6270, 6796, 8495, 10194, 12540, 16990, 18689, 20388, 25485, 32281, 33980, 37378, 50970, 56067, 64562, 74756, 93445, 96843, 101940, 112134, 129124, 161405, 186890, 193686, 224268, 280335, 322810, 355091, 373780, 387372, 484215, 560670, 645620, 710182, 968430, 1065273, 1121340, 1420364, 1775455, 1936860, 2130546, 3550910, 4261092, 5326365, 7101820, 10652730, 21305460]

約数ペア:

[(1, 21305460), (2, 10652730), (3, 7101820), (4, 5326365), (5, 4261092), (6, 3550910), (10, 2130546), (11, 1936860), (12, 1775455), (15, 1420364), (19, 1121340), (20, 1065273), (22, 968430), (30, 710182), (33, 645620), (38, 560670), (44, 484215), (55, 387372), (57, 373780), (60, 355091), (66, 322810), (76, 280335), (95, 224268), (110, 193686), (114, 186890), (132, 161405), (165, 129124), (190, 112134), (209, 101940), (220, 96843), (228, 93445), (285, 74756), (330, 64562), (380, 56067), (418, 50970), (570, 37378), (627, 33980), (660, 32281), (836, 25485), (1045, 20388), (1140, 18689), (1254, 16990), (1699, 12540), (2090, 10194), (2508, 8495), (3135, 6796), (3398, 6270), (4180, 5097)]