21176670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 53317440

約数和(自身を除く): 32140770

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 101, 145, 174, 202, 241, 290, 303, 435, 482, 505, 606, 723, 870, 1010, 1205, 1446, 1515, 2410, 2929, 3030, 3615, 5858, 6989, 7230, 8787, 13978, 14645, 17574, 20967, 24341, 29290, 34945, 41934, 43935, 48682, 69890, 73023, 87870, 104835, 121705, 146046, 209670, 243410, 365115, 705889, 730230, 1411778, 2117667, 3529445, 4235334, 7058890, 10588335, 21176670]

約数ペア:

[(1, 21176670), (2, 10588335), (3, 7058890), (5, 4235334), (6, 3529445), (10, 2117667), (15, 1411778), (29, 730230), (30, 705889), (58, 365115), (87, 243410), (101, 209670), (145, 146046), (174, 121705), (202, 104835), (241, 87870), (290, 73023), (303, 69890), (435, 48682), (482, 43935), (505, 41934), (606, 34945), (723, 29290), (870, 24341), (1010, 20967), (1205, 17574), (1446, 14645), (1515, 13978), (2410, 8787), (2929, 7230), (3030, 6989), (3615, 5858)]