21706825

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5393}}^1$

素因数の和:5433

約数の個数: 24

約数和(自身を含む): 32105088

約数和(自身を除く): 10398263

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5393, 26965, 37751, 124039, 134825, 188755, 620195, 868273, 943775, 3100975, 4341365, 21706825]

約数ペア:

[(1, 21706825), (5, 4341365), (7, 3100975), (23, 943775), (25, 868273), (35, 620195), (115, 188755), (161, 134825), (175, 124039), (575, 37751), (805, 26965), (4025, 5393)]