21922335

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 40435200

約数和(自身を除く): 18512865

約数列:

[1, 3, 5, 9, 15, 23, 45, 59, 69, 115, 177, 207, 295, 345, 359, 531, 885, 1035, 1077, 1357, 1795, 2655, 3231, 4071, 5385, 6785, 8257, 12213, 16155, 20355, 21181, 24771, 41285, 61065, 63543, 74313, 105905, 123855, 190629, 317715, 371565, 487163, 953145, 1461489, 2435815, 4384467, 7307445, 21922335]

約数ペア:

[(1, 21922335), (3, 7307445), (5, 4384467), (9, 2435815), (15, 1461489), (23, 953145), (45, 487163), (59, 371565), (69, 317715), (115, 190629), (177, 123855), (207, 105905), (295, 74313), (345, 63543), (359, 61065), (531, 41285), (885, 24771), (1035, 21181), (1077, 20355), (1357, 16155), (1795, 12213), (2655, 8257), (3231, 6785), (4071, 5385)]