21918456

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 68521440

約数和(自身を除く): 46602984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 157, 168, 252, 277, 314, 471, 504, 554, 628, 831, 942, 1099, 1108, 1256, 1413, 1662, 1884, 1939, 2198, 2216, 2493, 2826, 3297, 3324, 3768, 3878, 4396, 4986, 5652, 5817, 6594, 6648, 7756, 8792, 9891, 9972, 11304, 11634, 13188, 15512, 17451, 19782, 19944, 23268, 26376, 34902, 39564, 43489, 46536, 69804, 79128, 86978, 130467, 139608, 173956, 260934, 304423, 347912, 391401, 521868, 608846, 782802, 913269, 1043736, 1217692, 1565604, 1826538, 2435384, 2739807, 3131208, 3653076, 5479614, 7306152, 10959228, 21918456]

約数ペア:

[(1, 21918456), (2, 10959228), (3, 7306152), (4, 5479614), (6, 3653076), (7, 3131208), (8, 2739807), (9, 2435384), (12, 1826538), (14, 1565604), (18, 1217692), (21, 1043736), (24, 913269), (28, 782802), (36, 608846), (42, 521868), (56, 391401), (63, 347912), (72, 304423), (84, 260934), (126, 173956), (157, 139608), (168, 130467), (252, 86978), (277, 79128), (314, 69804), (471, 46536), (504, 43489), (554, 39564), (628, 34902), (831, 26376), (942, 23268), (1099, 19944), (1108, 19782), (1256, 17451), (1413, 15512), (1662, 13188), (1884, 11634), (1939, 11304), (2198, 9972), (2216, 9891), (2493, 8792), (2826, 7756), (3297, 6648), (3324, 6594), (3768, 5817), (3878, 5652), (4396, 4986)]