21318348

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19961}}^1$

素因数の和:20057

約数の個数: 24

約数和(自身を含む): 50304240

約数和(自身を除く): 28985892

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19961, 39922, 59883, 79844, 119766, 239532, 1776529, 3553058, 5329587, 7106116, 10659174, 21318348]

約数ペア:

[(1, 21318348), (2, 10659174), (3, 7106116), (4, 5329587), (6, 3553058), (12, 1776529), (89, 239532), (178, 119766), (267, 79844), (356, 59883), (534, 39922), (1068, 19961)]