20212308

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 55910400

約数和(自身を除く): 35698092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 79, 92, 103, 108, 138, 158, 206, 207, 237, 276, 309, 316, 412, 414, 474, 618, 621, 711, 828, 927, 948, 1236, 1242, 1422, 1817, 1854, 2133, 2369, 2484, 2781, 2844, 3634, 3708, 4266, 4738, 5451, 5562, 7107, 7268, 8137, 8532, 9476, 10902, 11124, 14214, 16274, 16353, 21321, 21804, 24411, 28428, 32548, 32706, 42642, 48822, 49059, 63963, 65412, 73233, 85284, 97644, 98118, 127926, 146466, 187151, 196236, 219699, 255852, 292932, 374302, 439398, 561453, 748604, 878796, 1122906, 1684359, 2245812, 3368718, 5053077, 6737436, 10106154, 20212308]

約数ペア:

[(1, 20212308), (2, 10106154), (3, 6737436), (4, 5053077), (6, 3368718), (9, 2245812), (12, 1684359), (18, 1122906), (23, 878796), (27, 748604), (36, 561453), (46, 439398), (54, 374302), (69, 292932), (79, 255852), (92, 219699), (103, 196236), (108, 187151), (138, 146466), (158, 127926), (206, 98118), (207, 97644), (237, 85284), (276, 73233), (309, 65412), (316, 63963), (412, 49059), (414, 48822), (474, 42642), (618, 32706), (621, 32548), (711, 28428), (828, 24411), (927, 21804), (948, 21321), (1236, 16353), (1242, 16274), (1422, 14214), (1817, 11124), (1854, 10902), (2133, 9476), (2369, 8532), (2484, 8137), (2781, 7268), (2844, 7107), (3634, 5562), (3708, 5451), (4266, 4738)]