20211524

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 36451296

約数和(自身を除く): 16239772

約数列:

[1, 2, 4, 41, 82, 164, 251, 491, 502, 982, 1004, 1964, 10291, 20131, 20582, 40262, 41164, 80524, 123241, 246482, 492964, 5052881, 10105762, 20211524]

約数ペア:

[(1, 20211524), (2, 10105762), (4, 5052881), (41, 492964), (82, 246482), (164, 123241), (251, 80524), (491, 41164), (502, 40262), (982, 20582), (1004, 20131), (1964, 10291)]