21000313335

素因数分解:

$3^1\times 5^1\times {\mathrm{338251}}^1\times {\mathrm{4139}}^1$

素因数の和:342398

約数の個数: 16

約数和(自身を含む): 33608718720

約数和(自身を除く): 12608405385

約数列:

[1, 3, 5, 15, 4139, 12417, 20695, 62085, 338251, 1014753, 1691255, 5073765, 1400020889, 4200062667, 7000104445, 21000313335]

約数ペア:

[(1, 21000313335), (3, 7000104445), (5, 4200062667), (15, 1400020889), (4139, 5073765), (12417, 1691255), (20695, 1014753), (62085, 338251)]