21361825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 27998208

約数和(自身を除く): 6636383

約数列:

[1, 5, 23, 25, 97, 115, 383, 485, 575, 1915, 2231, 2425, 8809, 9575, 11155, 37151, 44045, 55775, 185755, 220225, 854473, 928775, 4272365, 21361825]

約数ペア:

[(1, 21361825), (5, 4272365), (23, 928775), (25, 854473), (97, 220225), (115, 185755), (383, 55775), (485, 44045), (575, 37151), (1915, 11155), (2231, 9575), (2425, 8809)]