21267168

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17041}}^1$

素因数の和:17067

約数の個数: 48

約数和(自身を含む): 60124176

約数和(自身を除く): 38857008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17041, 34082, 51123, 68164, 102246, 136328, 204492, 221533, 272656, 408984, 443066, 545312, 664599, 817968, 886132, 1329198, 1635936, 1772264, 2658396, 3544528, 5316792, 7089056, 10633584, 21267168]

約数ペア:

[(1, 21267168), (2, 10633584), (3, 7089056), (4, 5316792), (6, 3544528), (8, 2658396), (12, 1772264), (13, 1635936), (16, 1329198), (24, 886132), (26, 817968), (32, 664599), (39, 545312), (48, 443066), (52, 408984), (78, 272656), (96, 221533), (104, 204492), (156, 136328), (208, 102246), (312, 68164), (416, 51123), (624, 34082), (1248, 17041)]