21015480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175129}}^1$

素因数の和:175143

約数の個数: 32

約数和(自身を含む): 63046800

約数和(自身を除く): 42031320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175129, 350258, 525387, 700516, 875645, 1050774, 1401032, 1751290, 2101548, 2626935, 3502580, 4203096, 5253870, 7005160, 10507740, 21015480]

約数ペア:

[(1, 21015480), (2, 10507740), (3, 7005160), (4, 5253870), (5, 4203096), (6, 3502580), (8, 2626935), (10, 2101548), (12, 1751290), (15, 1401032), (20, 1050774), (24, 875645), (30, 700516), (40, 525387), (60, 350258), (120, 175129)]