20211492790

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1\times {\mathrm{31219}}^1$

素因数の和:31968

約数の個数: 32

約数和(自身を含む): 36799388640

約数和(自身を除く): 16587895850

約数列:

[1, 2, 5, 10, 101, 202, 505, 641, 1010, 1282, 3205, 6410, 31219, 62438, 64741, 129482, 156095, 312190, 323705, 647410, 3153119, 6306238, 15765595, 20011379, 31531190, 40022758, 100056895, 200113790, 2021149279, 4042298558, 10105746395, 20211492790]

約数ペア:

[(1, 20211492790), (2, 10105746395), (5, 4042298558), (10, 2021149279), (101, 200113790), (202, 100056895), (505, 40022758), (641, 31531190), (1010, 20011379), (1282, 15765595), (3205, 6306238), (6410, 3153119), (31219, 647410), (62438, 323705), (64741, 312190), (129482, 156095)]