21354266

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{661}}^1$

素因数の和:1249

約数の個数: 16

約数和(自身を含む): 33245640

約数和(自身を除く): 11891374

約数列:

[1, 2, 29, 58, 557, 661, 1114, 1322, 16153, 19169, 32306, 38338, 368177, 736354, 10677133, 21354266]

約数ペア:

[(1, 21354266), (2, 10677133), (29, 736354), (58, 368177), (557, 38338), (661, 32306), (1114, 19169), (1322, 16153)]