21448088

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43951}}^1$

素因数の和:44018

約数の個数: 16

約数和(自身を含む): 40875360

約数和(自身を除く): 19427272

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43951, 87902, 175804, 351608, 2681011, 5362022, 10724044, 21448088]

約数ペア:

[(1, 21448088), (2, 10724044), (4, 5362022), (8, 2681011), (61, 351608), (122, 175804), (244, 87902), (488, 43951)]