21265938

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 49660416

約数和(自身を除く): 28394478

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 1657, 2139, 3314, 4278, 4971, 6417, 9942, 12834, 14913, 29826, 38111, 51367, 76222, 102734, 114333, 154101, 228666, 308202, 342999, 462303, 685998, 924606, 1181441, 2362882, 3544323, 7088646, 10632969, 21265938]

約数ペア:

[(1, 21265938), (2, 10632969), (3, 7088646), (6, 3544323), (9, 2362882), (18, 1181441), (23, 924606), (31, 685998), (46, 462303), (62, 342999), (69, 308202), (93, 228666), (138, 154101), (186, 114333), (207, 102734), (279, 76222), (414, 51367), (558, 38111), (713, 29826), (1426, 14913), (1657, 12834), (2139, 9942), (3314, 6417), (4278, 4971)]