21066505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4951}}^1$

素因数の和:5016

約数の個数: 16

約数和(自身を含む): 27097344

約数和(自身を除く): 6030839

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4951, 24755, 113873, 183187, 569365, 915935, 4213301, 21066505]

約数ペア:

[(1, 21066505), (5, 4213301), (23, 915935), (37, 569365), (115, 183187), (185, 113873), (851, 24755), (4255, 4951)]