21796645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4723}}^1$

素因数の和:4812

約数の個数: 16

約数和(自身を含む): 28570752

約数和(自身を除く): 6774107

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4723, 23615, 61399, 306995, 335333, 1676665, 4359329, 21796645]

約数ペア:

[(1, 21796645), (5, 4359329), (13, 1676665), (65, 335333), (71, 306995), (355, 61399), (923, 23615), (4615, 4723)]