21011558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 35308224

約数和(自身を除く): 14296666

約数列:

[1, 2, 17, 23, 34, 46, 97, 194, 277, 391, 554, 782, 1649, 2231, 3298, 4462, 4709, 6371, 9418, 12742, 26869, 37927, 53738, 75854, 108307, 216614, 456773, 617987, 913546, 1235974, 10505779, 21011558]

約数ペア:

[(1, 21011558), (2, 10505779), (17, 1235974), (23, 913546), (34, 617987), (46, 456773), (97, 216614), (194, 108307), (277, 75854), (391, 53738), (554, 37927), (782, 26869), (1649, 12742), (2231, 9418), (3298, 6371), (4462, 4709)]