21140310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6977}}^1$

素因数の和:7088

約数の個数: 32

約数和(自身を含む): 51246432

約数和(自身を除く): 30106122

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 6977, 13954, 20931, 34885, 41862, 69770, 104655, 209310, 704677, 1409354, 2114031, 3523385, 4228062, 7046770, 10570155, 21140310]

約数ペア:

[(1, 21140310), (2, 10570155), (3, 7046770), (5, 4228062), (6, 3523385), (10, 2114031), (15, 1409354), (30, 704677), (101, 209310), (202, 104655), (303, 69770), (505, 41862), (606, 34885), (1010, 20931), (1515, 13954), (3030, 6977)]