21039088

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5077}}^1$

素因数の和:5129

約数の個数: 40

約数和(自身を含む): 47855072

約数和(自身を除く): 26815984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5077, 10154, 20308, 35539, 40616, 71078, 81232, 142156, 187849, 284312, 375698, 568624, 751396, 1314943, 1502792, 2629886, 3005584, 5259772, 10519544, 21039088]

約数ペア:

[(1, 21039088), (2, 10519544), (4, 5259772), (7, 3005584), (8, 2629886), (14, 1502792), (16, 1314943), (28, 751396), (37, 568624), (56, 375698), (74, 284312), (112, 187849), (148, 142156), (259, 81232), (296, 71078), (518, 40616), (592, 35539), (1036, 20308), (2072, 10154), (4144, 5077)]