21783480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1087}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 44018760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1087, 1336, 1670, 2004, 2174, 2505, 3261, 3340, 4008, 4348, 5010, 5435, 6522, 6680, 8696, 10020, 10870, 13044, 16305, 20040, 21740, 26088, 32610, 43480, 65220, 130440, 181529, 363058, 544587, 726116, 907645, 1089174, 1452232, 1815290, 2178348, 2722935, 3630580, 4356696, 5445870, 7261160, 10891740, 21783480]

約数ペア:

[(1, 21783480), (2, 10891740), (3, 7261160), (4, 5445870), (5, 4356696), (6, 3630580), (8, 2722935), (10, 2178348), (12, 1815290), (15, 1452232), (20, 1089174), (24, 907645), (30, 726116), (40, 544587), (60, 363058), (120, 181529), (167, 130440), (334, 65220), (501, 43480), (668, 32610), (835, 26088), (1002, 21740), (1087, 20040), (1336, 16305), (1670, 13044), (2004, 10870), (2174, 10020), (2505, 8696), (3261, 6680), (3340, 6522), (4008, 5435), (4348, 5010)]