21000994584

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18617903}}^1$

素因数の和:18617959

約数の個数: 32

約数和(自身を含む): 53619563520

約数和(自身を除く): 32618568936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18617903, 37235806, 55853709, 74471612, 111707418, 148943224, 223414836, 446829672, 875041441, 1750082882, 2625124323, 3500165764, 5250248646, 7000331528, 10500497292, 21000994584]

約数ペア:

[(1, 21000994584), (2, 10500497292), (3, 7000331528), (4, 5250248646), (6, 3500165764), (8, 2625124323), (12, 1750082882), (24, 875041441), (47, 446829672), (94, 223414836), (141, 148943224), (188, 111707418), (282, 74471612), (376, 55853709), (564, 37235806), (1128, 18617903)]