21352624895

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{3433}}^1$

素因数の和:3984

約数の個数: 48

約数和(自身を含む): 30441173760

約数和(自身を除く): 9088548865

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 479, 1855, 2395, 2597, 3353, 3433, 12985, 16765, 17165, 23471, 24031, 25387, 117355, 120155, 126935, 168217, 177709, 181949, 841085, 888545, 909745, 1243963, 1273643, 1644407, 6219815, 6368215, 8222035, 8915501, 11510849, 44577505, 57554245, 80575943, 87153571, 402879715, 435767855, 610074997, 3050374985, 4270524979, 21352624895]

約数ペア:

[(1, 21352624895), (5, 4270524979), (7, 3050374985), (35, 610074997), (49, 435767855), (53, 402879715), (245, 87153571), (265, 80575943), (371, 57554245), (479, 44577505), (1855, 11510849), (2395, 8915501), (2597, 8222035), (3353, 6368215), (3433, 6219815), (12985, 1644407), (16765, 1273643), (17165, 1243963), (23471, 909745), (24031, 888545), (25387, 841085), (117355, 181949), (120155, 177709), (126935, 168217)]