21214755320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{84737}}^1$

素因数の和:85328

約数の個数: 64

約数和(自身を含む): 52164712800

約数和(自身を除く): 30949957480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 569, 1138, 2276, 2845, 4552, 5690, 6259, 11380, 12518, 22760, 25036, 31295, 50072, 62590, 84737, 125180, 169474, 250360, 338948, 423685, 677896, 847370, 932107, 1694740, 1864214, 3389480, 3728428, 4660535, 7456856, 9321070, 18642140, 37284280, 48215353, 96430706, 192861412, 241076765, 385722824, 482153530, 530368883, 964307060, 1060737766, 1928614120, 2121475532, 2651844415, 4242951064, 5303688830, 10607377660, 21214755320]

約数ペア:

[(1, 21214755320), (2, 10607377660), (4, 5303688830), (5, 4242951064), (8, 2651844415), (10, 2121475532), (11, 1928614120), (20, 1060737766), (22, 964307060), (40, 530368883), (44, 482153530), (55, 385722824), (88, 241076765), (110, 192861412), (220, 96430706), (440, 48215353), (569, 37284280), (1138, 18642140), (2276, 9321070), (2845, 7456856), (4552, 4660535), (5690, 3728428), (6259, 3389480), (11380, 1864214), (12518, 1694740), (22760, 932107), (25036, 847370), (31295, 677896), (50072, 423685), (62590, 338948), (84737, 250360), (125180, 169474)]