21495430082

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6424217}}^1$

素因数の和:6424465

約数の個数: 16

約数和(自身を含む): 37003495680

約数和(自身を除く): 15508065598

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6424217, 12848434, 44969519, 89939038, 1535387863, 3070775726, 10747715041, 21495430082]

約数ペア:

[(1, 21495430082), (2, 10747715041), (7, 3070775726), (14, 1535387863), (239, 89939038), (478, 44969519), (1673, 12848434), (3346, 6424217)]