21998370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17053}}^1$

素因数の和:17106

約数の個数: 32

約数和(自身を含む): 54027072

約数和(自身を除く): 32028702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 17053, 34106, 51159, 85265, 102318, 170530, 255795, 511590, 733279, 1466558, 2199837, 3666395, 4399674, 7332790, 10999185, 21998370]

約数ペア:

[(1, 21998370), (2, 10999185), (3, 7332790), (5, 4399674), (6, 3666395), (10, 2199837), (15, 1466558), (30, 733279), (43, 511590), (86, 255795), (129, 170530), (215, 102318), (258, 85265), (430, 51159), (645, 34106), (1290, 17053)]