21016735

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{751}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 26259840

約数和(自身を除く): 5243105

約数列:

[1, 5, 29, 145, 193, 751, 965, 3755, 5597, 21779, 27985, 108895, 144943, 724715, 4203347, 21016735]

約数ペア:

[(1, 21016735), (5, 4203347), (29, 724715), (145, 144943), (193, 108895), (751, 27985), (965, 21779), (3755, 5597)]