21051510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16319}}^1$

素因数の和:16372

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 30650250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16319, 32638, 48957, 81595, 97914, 163190, 244785, 489570, 701717, 1403434, 2105151, 3508585, 4210302, 7017170, 10525755, 21051510]

約数ペア:

[(1, 21051510), (2, 10525755), (3, 7017170), (5, 4210302), (6, 3508585), (10, 2105151), (15, 1403434), (30, 701717), (43, 489570), (86, 244785), (129, 163190), (215, 97914), (258, 81595), (430, 48957), (645, 32638), (1290, 16319)]