21853711204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{12721}}^1\times {\mathrm{33037}}^1$

素因数の和:45775

約数の個数: 24

約数和(自身を含む): 41190324728

約数和(自身を除く): 19336613524

約数列:

[1, 2, 4, 13, 26, 52, 12721, 25442, 33037, 50884, 66074, 132148, 165373, 330746, 429481, 661492, 858962, 1717924, 420263677, 840527354, 1681054708, 5463427801, 10926855602, 21853711204]

約数ペア:

[(1, 21853711204), (2, 10926855602), (4, 5463427801), (13, 1681054708), (26, 840527354), (52, 420263677), (12721, 1717924), (25442, 858962), (33037, 661492), (50884, 429481), (66074, 330746), (132148, 165373)]