21068115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14597805

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 773, 1185, 1817, 2319, 3865, 5451, 9085, 11595, 17779, 27255, 53337, 61067, 88895, 183201, 266685, 305335, 916005, 1404541, 4213623, 7022705, 21068115]

約数ペア:

[(1, 21068115), (3, 7022705), (5, 4213623), (15, 1404541), (23, 916005), (69, 305335), (79, 266685), (115, 183201), (237, 88895), (345, 61067), (395, 53337), (773, 27255), (1185, 17779), (1817, 11595), (2319, 9085), (3865, 5451)]