21110818

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2549}}^1$

素因数の和:2693

約数の個数: 16

約数和(自身を含む): 32772600

約数和(自身を除く): 11661782

約数列:

[1, 2, 41, 82, 101, 202, 2549, 4141, 5098, 8282, 104509, 209018, 257449, 514898, 10555409, 21110818]

約数ペア:

[(1, 21110818), (2, 10555409), (41, 514898), (82, 257449), (101, 209018), (202, 104509), (2549, 8282), (4141, 5098)]