21442920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178691}}^1$

素因数の和:178705

約数の個数: 32

約数和(自身を含む): 64329120

約数和(自身を除く): 42886200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178691, 357382, 536073, 714764, 893455, 1072146, 1429528, 1786910, 2144292, 2680365, 3573820, 4288584, 5360730, 7147640, 10721460, 21442920]

約数ペア:

[(1, 21442920), (2, 10721460), (3, 7147640), (4, 5360730), (5, 4288584), (6, 3573820), (8, 2680365), (10, 2144292), (12, 1786910), (15, 1429528), (20, 1072146), (24, 893455), (30, 714764), (40, 536073), (60, 357382), (120, 178691)]