21420528

素因数分解:

$2^4\times 3^1\times {\mathrm{446261}}^1$

素因数の和:446272

約数の個数: 20

約数和(自身を含む): 55336488

約数和(自身を除く): 33915960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 446261, 892522, 1338783, 1785044, 2677566, 3570088, 5355132, 7140176, 10710264, 21420528]

約数ペア:

[(1, 21420528), (2, 10710264), (3, 7140176), (4, 5355132), (6, 3570088), (8, 2677566), (12, 1785044), (16, 1338783), (24, 892522), (48, 446261)]