21654133085

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1348747}}^1$

素因数の和:1348797

約数の個数: 24

約数和(自身を含む): 29618506080

約数和(自身を除く): 7964372995

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 3211, 16055, 1348747, 6743735, 17533711, 25626193, 87668555, 128130965, 227938243, 333140509, 1139691215, 1665702545, 4330826617, 21654133085]

約数ペア:

[(1, 21654133085), (5, 4330826617), (13, 1665702545), (19, 1139691215), (65, 333140509), (95, 227938243), (169, 128130965), (247, 87668555), (845, 25626193), (1235, 17533711), (3211, 6743735), (16055, 1348747)]