21445485

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4657}}^1$

素因数の和:4972

約数の個数: 16

約数和(自身を含む): 34431936

約数和(自身を除く): 12986451

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4605, 4657, 13971, 23285, 69855, 1429699, 4289097, 7148495, 21445485]

約数ペア:

[(1, 21445485), (3, 7148495), (5, 4289097), (15, 1429699), (307, 69855), (921, 23285), (1535, 13971), (4605, 4657)]