21581712

素因数分解:

$2^4\times 3^2\times {\mathrm{149873}}^1$

素因数の和:149887

約数の個数: 30

約数和(自身を含む): 60399222

約数和(自身を除く): 38817510

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149873, 299746, 449619, 599492, 899238, 1198984, 1348857, 1798476, 2397968, 2697714, 3596952, 5395428, 7193904, 10790856, 21581712]

約数ペア:

[(1, 21581712), (2, 10790856), (3, 7193904), (4, 5395428), (6, 3596952), (8, 2697714), (9, 2397968), (12, 1798476), (16, 1348857), (18, 1198984), (24, 899238), (36, 599492), (48, 449619), (72, 299746), (144, 149873)]