21170580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{29}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 64108800

約数和(自身を除く): 42938220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 460, 529, 580, 667, 690, 870, 1058, 1334, 1380, 1587, 1740, 2001, 2116, 2645, 2668, 3174, 3335, 4002, 5290, 6348, 6670, 7935, 8004, 10005, 10580, 12167, 13340, 15341, 15870, 20010, 24334, 30682, 31740, 36501, 40020, 46023, 48668, 60835, 61364, 73002, 76705, 92046, 121670, 146004, 153410, 182505, 184092, 230115, 243340, 306820, 352843, 365010, 460230, 705686, 730020, 920460, 1058529, 1411372, 1764215, 2117058, 3528430, 4234116, 5292645, 7056860, 10585290, 21170580]

約数ペア:

[(1, 21170580), (2, 10585290), (3, 7056860), (4, 5292645), (5, 4234116), (6, 3528430), (10, 2117058), (12, 1764215), (15, 1411372), (20, 1058529), (23, 920460), (29, 730020), (30, 705686), (46, 460230), (58, 365010), (60, 352843), (69, 306820), (87, 243340), (92, 230115), (115, 184092), (116, 182505), (138, 153410), (145, 146004), (174, 121670), (230, 92046), (276, 76705), (290, 73002), (345, 61364), (348, 60835), (435, 48668), (460, 46023), (529, 40020), (580, 36501), (667, 31740), (690, 30682), (870, 24334), (1058, 20010), (1334, 15870), (1380, 15341), (1587, 13340), (1740, 12167), (2001, 10580), (2116, 10005), (2645, 8004), (2668, 7935), (3174, 6670), (3335, 6348), (4002, 5290)]