21526024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 43686720

約数和(自身を除く): 22160696

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 787, 1052, 1574, 2104, 3148, 3419, 6296, 6838, 10231, 13676, 20462, 27352, 40924, 81848, 206981, 413962, 827924, 1655848, 2690753, 5381506, 10763012, 21526024]

約数ペア:

[(1, 21526024), (2, 10763012), (4, 5381506), (8, 2690753), (13, 1655848), (26, 827924), (52, 413962), (104, 206981), (263, 81848), (526, 40924), (787, 27352), (1052, 20462), (1574, 13676), (2104, 10231), (3148, 6838), (3419, 6296)]