210930721491

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{3217}}^1\times {\mathrm{3803}}^1$

素因数の和:7851

約数の個数: 32

約数和(自身を含む): 321994418688

約数和(自身を除く): 111063697197

約数列:

[1, 3, 7, 21, 821, 2463, 3217, 3803, 5747, 9651, 11409, 17241, 22519, 26621, 67557, 79863, 2641157, 3122263, 7923471, 9366789, 12234251, 18488099, 21855841, 36702753, 55464297, 65567523, 85639757, 256919271, 10044320071, 30132960213, 70310240497, 210930721491]

約数ペア:

[(1, 210930721491), (3, 70310240497), (7, 30132960213), (21, 10044320071), (821, 256919271), (2463, 85639757), (3217, 65567523), (3803, 55464297), (5747, 36702753), (9651, 21855841), (11409, 18488099), (17241, 12234251), (22519, 9366789), (26621, 7923471), (67557, 3122263), (79863, 2641157)]