21977484

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 30707316

約数列:

[1, 2, 3, 4, 6, 12, 79, 97, 158, 194, 237, 239, 291, 316, 388, 474, 478, 582, 717, 948, 956, 1164, 1434, 2868, 7663, 15326, 18881, 22989, 23183, 30652, 37762, 45978, 46366, 56643, 69549, 75524, 91956, 92732, 113286, 139098, 226572, 278196, 1831457, 3662914, 5494371, 7325828, 10988742, 21977484]

約数ペア:

[(1, 21977484), (2, 10988742), (3, 7325828), (4, 5494371), (6, 3662914), (12, 1831457), (79, 278196), (97, 226572), (158, 139098), (194, 113286), (237, 92732), (239, 91956), (291, 75524), (316, 69549), (388, 56643), (474, 46366), (478, 45978), (582, 37762), (717, 30652), (948, 23183), (956, 22989), (1164, 18881), (1434, 15326), (2868, 7663)]