21682675

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 32069376

約数和(自身を除く): 10386701

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5387, 26935, 37709, 123901, 134675, 188545, 619505, 867307, 942725, 3097525, 4336535, 21682675]

約数ペア:

[(1, 21682675), (5, 4336535), (7, 3097525), (23, 942725), (25, 867307), (35, 619505), (115, 188545), (161, 134675), (175, 123901), (575, 37709), (805, 26935), (4025, 5387)]