21290784

素因数分解:

$2^5\times 3^1\times {\mathrm{227}}^1\times {\mathrm{977}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 56191968

約数和(自身を除く): 34901184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 227, 454, 681, 908, 977, 1362, 1816, 1954, 2724, 2931, 3632, 3908, 5448, 5862, 7264, 7816, 10896, 11724, 15632, 21792, 23448, 31264, 46896, 93792, 221779, 443558, 665337, 887116, 1330674, 1774232, 2661348, 3548464, 5322696, 7096928, 10645392, 21290784]

約数ペア:

[(1, 21290784), (2, 10645392), (3, 7096928), (4, 5322696), (6, 3548464), (8, 2661348), (12, 1774232), (16, 1330674), (24, 887116), (32, 665337), (48, 443558), (96, 221779), (227, 93792), (454, 46896), (681, 31264), (908, 23448), (977, 21792), (1362, 15632), (1816, 11724), (1954, 10896), (2724, 7816), (2931, 7264), (3632, 5862), (3908, 5448)]