21765870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34549}}^1$

素因数の和:34569

約数の個数: 48

約数和(自身を含む): 64677600

約数和(自身を除く): 42911730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34549, 69098, 103647, 172745, 207294, 241843, 310941, 345490, 483686, 518235, 621882, 725529, 1036470, 1209215, 1451058, 1554705, 2176587, 2418430, 3109410, 3627645, 4353174, 7255290, 10882935, 21765870]

約数ペア:

[(1, 21765870), (2, 10882935), (3, 7255290), (5, 4353174), (6, 3627645), (7, 3109410), (9, 2418430), (10, 2176587), (14, 1554705), (15, 1451058), (18, 1209215), (21, 1036470), (30, 725529), (35, 621882), (42, 518235), (45, 483686), (63, 345490), (70, 310941), (90, 241843), (105, 207294), (126, 172745), (210, 103647), (315, 69098), (630, 34549)]