21238882

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 17578910

約数列:

[1, 2, 7, 14, 17, 34, 119, 233, 238, 383, 466, 766, 1631, 2681, 3262, 3961, 5362, 6511, 7922, 13022, 27727, 45577, 55454, 89239, 91154, 178478, 624673, 1249346, 1517063, 3034126, 10619441, 21238882]

約数ペア:

[(1, 21238882), (2, 10619441), (7, 3034126), (14, 1517063), (17, 1249346), (34, 624673), (119, 178478), (233, 91154), (238, 89239), (383, 55454), (466, 45577), (766, 27727), (1631, 13022), (2681, 7922), (3262, 6511), (3961, 5362)]