21457338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{510889}}^1$

素因数の和:510901

約数の個数: 16

約数和(自身を含む): 49045440

約数和(自身を除く): 27588102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 510889, 1021778, 1532667, 3065334, 3576223, 7152446, 10728669, 21457338]

約数ペア:

[(1, 21457338), (2, 10728669), (3, 7152446), (6, 3576223), (7, 3065334), (14, 1532667), (21, 1021778), (42, 510889)]