21426825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{40813}}^1$

素因数の和:40833

約数の個数: 24

約数和(自身を含む): 40487488

約数和(自身を除く): 19060663

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 40813, 122439, 204065, 285691, 612195, 857073, 1020325, 1428455, 3060975, 4285365, 7142275, 21426825]

約数ペア:

[(1, 21426825), (3, 7142275), (5, 4285365), (7, 3060975), (15, 1428455), (21, 1020325), (25, 857073), (35, 612195), (75, 285691), (105, 204065), (175, 122439), (525, 40813)]