21025236445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{18503}}^1$

素因数の和:18813

約数の個数: 32

約数和(自身を含む): 27082750464

約数和(自身を除く): 6057514019

約数列:

[1, 5, 23, 41, 115, 205, 241, 943, 1205, 4715, 5543, 9881, 18503, 27715, 49405, 92515, 227263, 425569, 758623, 1136315, 2127845, 3793115, 4459223, 17448329, 22296115, 87241645, 102562129, 182828143, 512810645, 914140715, 4205047289, 21025236445]

約数ペア:

[(1, 21025236445), (5, 4205047289), (23, 914140715), (41, 512810645), (115, 182828143), (205, 102562129), (241, 87241645), (943, 22296115), (1205, 17448329), (4715, 4459223), (5543, 3793115), (9881, 2127845), (18503, 1136315), (27715, 758623), (49405, 425569), (92515, 227263)]