21611988

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{2063}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 56636160

約数和(自身を除く): 35024172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 2063, 2619, 3492, 4126, 5238, 6189, 8252, 10476, 12378, 18567, 24756, 37134, 55701, 74268, 111402, 200111, 222804, 400222, 600333, 800444, 1200666, 1800999, 2401332, 3601998, 5402997, 7203996, 10805994, 21611988]

約数ペア:

[(1, 21611988), (2, 10805994), (3, 7203996), (4, 5402997), (6, 3601998), (9, 2401332), (12, 1800999), (18, 1200666), (27, 800444), (36, 600333), (54, 400222), (97, 222804), (108, 200111), (194, 111402), (291, 74268), (388, 55701), (582, 37134), (873, 24756), (1164, 18567), (1746, 12378), (2063, 10476), (2619, 8252), (3492, 6189), (4126, 5238)]