21332925

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1682

約数の個数: 36

約数和(自身を含む): 38881440

約数和(自身を除く): 17548515

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1475, 1607, 2655, 4425, 4821, 8035, 13275, 14463, 24105, 40175, 72315, 94813, 120525, 284439, 361575, 474065, 853317, 1422195, 2370325, 4266585, 7110975, 21332925]

約数ペア:

[(1, 21332925), (3, 7110975), (5, 4266585), (9, 2370325), (15, 1422195), (25, 853317), (45, 474065), (59, 361575), (75, 284439), (177, 120525), (225, 94813), (295, 72315), (531, 40175), (885, 24105), (1475, 14463), (1607, 13275), (2655, 8035), (4425, 4821)]