21009072636

素因数分解:

$2^2\times 3^2\times {\mathrm{1097}}^1\times {\mathrm{531983}}^1$

素因数の和:533090

約数の個数: 36

約数和(自身を含む): 53154777312

約数和(自身を除く): 32145704676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1097, 2194, 3291, 4388, 6582, 9873, 13164, 19746, 39492, 531983, 1063966, 1595949, 2127932, 3191898, 4787847, 6383796, 9575694, 19151388, 583585351, 1167170702, 1750756053, 2334341404, 3501512106, 5252268159, 7003024212, 10504536318, 21009072636]

約数ペア:

[(1, 21009072636), (2, 10504536318), (3, 7003024212), (4, 5252268159), (6, 3501512106), (9, 2334341404), (12, 1750756053), (18, 1167170702), (36, 583585351), (1097, 19151388), (2194, 9575694), (3291, 6383796), (4388, 4787847), (6582, 3191898), (9873, 2127932), (13164, 1595949), (19746, 1063966), (39492, 531983)]