21892107

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 10677237

約数列:

[1, 3, 17, 31, 51, 61, 93, 183, 227, 527, 681, 1037, 1581, 1891, 3111, 3859, 5673, 7037, 11577, 13847, 21111, 32147, 41541, 96441, 119629, 235399, 358887, 429257, 706197, 1287771, 7297369, 21892107]

約数ペア:

[(1, 21892107), (3, 7297369), (17, 1287771), (31, 706197), (51, 429257), (61, 358887), (93, 235399), (183, 119629), (227, 96441), (527, 41541), (681, 32147), (1037, 21111), (1581, 13847), (1891, 11577), (3111, 7037), (3859, 5673)]