21693071

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 2542129

約数列:

[1, 17, 23, 109, 391, 509, 1853, 2507, 8653, 11707, 42619, 55481, 199019, 943177, 1276063, 21693071]

約数ペア:

[(1, 21693071), (17, 1276063), (23, 943177), (109, 199019), (391, 55481), (509, 42619), (1853, 11707), (2507, 8653)]