21499005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4493}}^1$

素因数の和:4541

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 17329155

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4493, 4785, 13479, 22465, 49423, 67395, 130297, 148269, 247115, 390891, 651485, 741345, 1433267, 1954455, 4299801, 7166335, 21499005]

約数ペア:

[(1, 21499005), (3, 7166335), (5, 4299801), (11, 1954455), (15, 1433267), (29, 741345), (33, 651485), (55, 390891), (87, 247115), (145, 148269), (165, 130297), (319, 67395), (435, 49423), (957, 22465), (1595, 13479), (4493, 4785)]