21871707265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1432801}}^1$

素因数の和:1432920

約数の個数: 16

約数和(自身を含む): 27234700416

約数和(自身を除く): 5362993151

約数列:

[1, 5, 43, 71, 215, 355, 3053, 15265, 1432801, 7164005, 61610443, 101728871, 308052215, 508644355, 4374341453, 21871707265]

約数ペア:

[(1, 21871707265), (5, 4374341453), (43, 508644355), (71, 308052215), (215, 101728871), (355, 61610443), (3053, 7164005), (15265, 1432801)]