21998220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11827}}^1$

素因数の和:11870

約数の個数: 48

約数和(自身を含む): 63587328

約数和(自身を除く): 41589108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11827, 23654, 35481, 47308, 59135, 70962, 118270, 141924, 177405, 236540, 354810, 366637, 709620, 733274, 1099911, 1466548, 1833185, 2199822, 3666370, 4399644, 5499555, 7332740, 10999110, 21998220]

約数ペア:

[(1, 21998220), (2, 10999110), (3, 7332740), (4, 5499555), (5, 4399644), (6, 3666370), (10, 2199822), (12, 1833185), (15, 1466548), (20, 1099911), (30, 733274), (31, 709620), (60, 366637), (62, 354810), (93, 236540), (124, 177405), (155, 141924), (186, 118270), (310, 70962), (372, 59135), (465, 47308), (620, 35481), (930, 23654), (1860, 11827)]