21035931

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21313}}^1$

素因数の和:21370

約数の個数: 16

約数和(自身を含む): 32738304

約数和(自身を除く): 11702373

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21313, 63939, 149191, 447573, 1001711, 3005133, 7011977, 21035931]

約数ペア:

[(1, 21035931), (3, 7011977), (7, 3005133), (21, 1001711), (47, 447573), (141, 149191), (329, 63939), (987, 21313)]