21986291225

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{37441}}^1$

素因数の和:37817

約数の個数: 24

約数和(自身を含む): 27689706912

約数和(自身を除く): 5703415687

約数列:

[1, 5, 25, 83, 283, 415, 1415, 2075, 7075, 23489, 37441, 117445, 187205, 587225, 936025, 3107603, 10595803, 15538015, 52979015, 77690075, 264895075, 879451649, 4397258245, 21986291225]

約数ペア:

[(1, 21986291225), (5, 4397258245), (25, 879451649), (83, 264895075), (283, 77690075), (415, 52979015), (1415, 15538015), (2075, 10595803), (7075, 3107603), (23489, 936025), (37441, 587225), (117445, 187205)]