21425075

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5323}}^1$

素因数の和:5363

約数の個数: 24

約数和(自身を含む): 31688448

約数和(自身を除く): 10263373

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5323, 26615, 37261, 122429, 133075, 186305, 612145, 857003, 931525, 3060725, 4285015, 21425075]

約数ペア:

[(1, 21425075), (5, 4285015), (7, 3060725), (23, 931525), (25, 857003), (35, 612145), (115, 186305), (161, 133075), (175, 122429), (575, 37261), (805, 26615), (4025, 5323)]