21170190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16411}}^1$

素因数の和:16464

約数の個数: 32

約数和(自身を含む): 51993216

約数和(自身を除く): 30823026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16411, 32822, 49233, 82055, 98466, 164110, 246165, 492330, 705673, 1411346, 2117019, 3528365, 4234038, 7056730, 10585095, 21170190]

約数ペア:

[(1, 21170190), (2, 10585095), (3, 7056730), (5, 4234038), (6, 3528365), (10, 2117019), (15, 1411346), (30, 705673), (43, 492330), (86, 246165), (129, 164110), (215, 98466), (258, 82055), (430, 49233), (645, 32822), (1290, 16411)]