21531480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179429}}^1$

素因数の和:179443

約数の個数: 32

約数和(自身を含む): 64594800

約数和(自身を除く): 43063320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179429, 358858, 538287, 717716, 897145, 1076574, 1435432, 1794290, 2153148, 2691435, 3588580, 4306296, 5382870, 7177160, 10765740, 21531480]

約数ペア:

[(1, 21531480), (2, 10765740), (3, 7177160), (4, 5382870), (5, 4306296), (6, 3588580), (8, 2691435), (10, 2153148), (12, 1794290), (15, 1435432), (20, 1076574), (24, 897145), (30, 717716), (40, 538287), (60, 358858), (120, 179429)]