21000455544

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12324211}}^1$

素因数の和:12324291

約数の個数: 32

約数和(自身を含む): 53240595840

約数和(自身を除く): 32240140296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12324211, 24648422, 36972633, 49296844, 73945266, 98593688, 147890532, 295781064, 875018981, 1750037962, 2625056943, 3500075924, 5250113886, 7000151848, 10500227772, 21000455544]

約数ペア:

[(1, 21000455544), (2, 10500227772), (3, 7000151848), (4, 5250113886), (6, 3500075924), (8, 2625056943), (12, 1750037962), (24, 875018981), (71, 295781064), (142, 147890532), (213, 98593688), (284, 73945266), (426, 49296844), (568, 36972633), (852, 24648422), (1704, 12324211)]