21180350

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2843}}^1$

素因数の和:3004

約数の個数: 24

約数和(自身を含む): 39673800

約数和(自身を除く): 18493450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2843, 3725, 5686, 7450, 14215, 28430, 71075, 142150, 423607, 847214, 2118035, 4236070, 10590175, 21180350]

約数ペア:

[(1, 21180350), (2, 10590175), (5, 4236070), (10, 2118035), (25, 847214), (50, 423607), (149, 142150), (298, 71075), (745, 28430), (1490, 14215), (2843, 7450), (3725, 5686)]