21370645

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 26725248

約数和(自身を除く): 5354603

約数列:

[1, 5, 37, 71, 185, 355, 1627, 2627, 8135, 13135, 60199, 115517, 300995, 577585, 4274129, 21370645]

約数ペア:

[(1, 21370645), (5, 4274129), (37, 577585), (71, 300995), (185, 115517), (355, 60199), (1627, 13135), (2627, 8135)]