21504626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4423}}^1$

素因数の和:4466

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 18629902

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4423, 4862, 8846, 48653, 57499, 75191, 97306, 114998, 150382, 632489, 827101, 977483, 1264978, 1654202, 1954966, 10752313, 21504626]

約数ペア:

[(1, 21504626), (2, 10752313), (11, 1954966), (13, 1654202), (17, 1264978), (22, 977483), (26, 827101), (34, 632489), (143, 150382), (187, 114998), (221, 97306), (286, 75191), (374, 57499), (442, 48653), (2431, 8846), (4423, 4862)]