21070485

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5927}}^1$

素因数の和:6017

約数の個数: 24

約数和(自身を含む): 36990720

約数和(自身を除く): 15920235

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5927, 17781, 29635, 53343, 88905, 266715, 468233, 1404699, 2341165, 4214097, 7023495, 21070485]

約数ペア:

[(1, 21070485), (3, 7023495), (5, 4214097), (9, 2341165), (15, 1404699), (45, 468233), (79, 266715), (237, 88905), (395, 53343), (711, 29635), (1185, 17781), (3555, 5927)]