21000657612

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{367427}}^1$

素因数の和:367878

約数の個数: 48

約数和(自身を含む): 53579820672

約数和(自身を除く): 32579163060

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 433, 866, 1299, 1732, 2598, 4763, 5196, 9526, 14289, 19052, 28578, 57156, 367427, 734854, 1102281, 1469708, 2204562, 4041697, 4409124, 8083394, 12125091, 16166788, 24250182, 48500364, 159095891, 318191782, 477287673, 636383564, 954575346, 1750054801, 1909150692, 3500109602, 5250164403, 7000219204, 10500328806, 21000657612]

約数ペア:

[(1, 21000657612), (2, 10500328806), (3, 7000219204), (4, 5250164403), (6, 3500109602), (11, 1909150692), (12, 1750054801), (22, 954575346), (33, 636383564), (44, 477287673), (66, 318191782), (132, 159095891), (433, 48500364), (866, 24250182), (1299, 16166788), (1732, 12125091), (2598, 8083394), (4763, 4409124), (5196, 4041697), (9526, 2204562), (14289, 1469708), (19052, 1102281), (28578, 734854), (57156, 367427)]