21641306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1307}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 34468416

約数和(自身を除く): 12827110

約数列:

[1, 2, 17, 34, 487, 974, 1307, 2614, 8279, 16558, 22219, 44438, 636509, 1273018, 10820653, 21641306]

約数ペア:

[(1, 21641306), (2, 10820653), (17, 1273018), (34, 636509), (487, 44438), (974, 22219), (1307, 16558), (2614, 8279)]