21455722

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 32820480

約数和(自身を除く): 11364758

約数列:

[1, 2, 73, 146, 223, 446, 659, 1318, 16279, 32558, 48107, 96214, 146957, 293914, 10727861, 21455722]

約数ペア:

[(1, 21455722), (2, 10727861), (73, 293914), (146, 146957), (223, 96214), (446, 48107), (659, 32558), (1318, 16279)]