21753228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258967}}^1$

素因数の和:258981

約数の個数: 24

約数和(自身を含む): 58008832

約数和(自身を除く): 36255604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258967, 517934, 776901, 1035868, 1553802, 1812769, 3107604, 3625538, 5438307, 7251076, 10876614, 21753228]

約数ペア:

[(1, 21753228), (2, 10876614), (3, 7251076), (4, 5438307), (6, 3625538), (7, 3107604), (12, 1812769), (14, 1553802), (21, 1035868), (28, 776901), (42, 517934), (84, 258967)]