21157278

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{34913}}^1$

素因数の和:35019

約数の個数: 16

約数和(自身を含む): 42734736

約数和(自身を除く): 21577458

約数列:

[1, 2, 3, 6, 101, 202, 303, 606, 34913, 69826, 104739, 209478, 3526213, 7052426, 10578639, 21157278]

約数ペア:

[(1, 21157278), (2, 10578639), (3, 7052426), (6, 3526213), (101, 209478), (202, 104739), (303, 69826), (606, 34913)]