21572390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13399}}^1$

素因数の和:13436

約数の個数: 32

約数和(自身を含む): 46310400

約数和(自身を除く): 24738010

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13399, 26798, 66995, 93793, 133990, 187586, 308177, 468965, 616354, 937930, 1540885, 2157239, 3081770, 4314478, 10786195, 21572390]

約数ペア:

[(1, 21572390), (2, 10786195), (5, 4314478), (7, 3081770), (10, 2157239), (14, 1540885), (23, 937930), (35, 616354), (46, 468965), (70, 308177), (115, 187586), (161, 133990), (230, 93793), (322, 66995), (805, 26798), (1610, 13399)]