21857612

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 23381428

約数列:

[1, 2, 4, 7, 14, 28, 59, 101, 118, 131, 202, 236, 262, 404, 413, 524, 707, 826, 917, 1414, 1652, 1834, 2828, 3668, 5959, 7729, 11918, 13231, 15458, 23836, 26462, 30916, 41713, 52924, 54103, 83426, 92617, 108206, 166852, 185234, 216412, 370468, 780629, 1561258, 3122516, 5464403, 10928806, 21857612]

約数ペア:

[(1, 21857612), (2, 10928806), (4, 5464403), (7, 3122516), (14, 1561258), (28, 780629), (59, 370468), (101, 216412), (118, 185234), (131, 166852), (202, 108206), (236, 92617), (262, 83426), (404, 54103), (413, 52924), (524, 41713), (707, 30916), (826, 26462), (917, 23836), (1414, 15458), (1652, 13231), (1834, 11918), (2828, 7729), (3668, 5959)]