21853364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 22599436

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 419, 442, 767, 838, 884, 1003, 1534, 1676, 2006, 3068, 4012, 5447, 7123, 10894, 13039, 14246, 21788, 24721, 26078, 28492, 49442, 52156, 92599, 98884, 185198, 321373, 370396, 420257, 642746, 840514, 1285492, 1681028, 5463341, 10926682, 21853364]

約数ペア:

[(1, 21853364), (2, 10926682), (4, 5463341), (13, 1681028), (17, 1285492), (26, 840514), (34, 642746), (52, 420257), (59, 370396), (68, 321373), (118, 185198), (221, 98884), (236, 92599), (419, 52156), (442, 49442), (767, 28492), (838, 26078), (884, 24721), (1003, 21788), (1534, 14246), (1676, 13039), (2006, 10894), (3068, 7123), (4012, 5447)]