21822872

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 41983920

約数和(自身を除く): 20161048

約数列:

[1, 2, 4, 8, 61, 122, 197, 227, 244, 394, 454, 488, 788, 908, 1576, 1816, 12017, 13847, 24034, 27694, 44719, 48068, 55388, 89438, 96136, 110776, 178876, 357752, 2727859, 5455718, 10911436, 21822872]

約数ペア:

[(1, 21822872), (2, 10911436), (4, 5455718), (8, 2727859), (61, 357752), (122, 178876), (197, 110776), (227, 96136), (244, 89438), (394, 55388), (454, 48068), (488, 44719), (788, 27694), (908, 24034), (1576, 13847), (1816, 12017)]