21545566

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25229}}^1$

素因数の和:25299

約数の個数: 16

約数和(自身を含む): 37542240

約数和(自身を除く): 15996674

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25229, 50458, 176603, 353206, 1538969, 3077938, 10772783, 21545566]

約数ペア:

[(1, 21545566), (2, 10772783), (7, 3077938), (14, 1538969), (61, 353206), (122, 176603), (427, 50458), (854, 25229)]