21521694

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 45808416

約数和(自身を除く): 24286722

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 257, 514, 771, 821, 1542, 1642, 2463, 4369, 4926, 8738, 13107, 13957, 26214, 27914, 41871, 83742, 210997, 421994, 632991, 1265982, 3586949, 7173898, 10760847, 21521694]

約数ペア:

[(1, 21521694), (2, 10760847), (3, 7173898), (6, 3586949), (17, 1265982), (34, 632991), (51, 421994), (102, 210997), (257, 83742), (514, 41871), (771, 27914), (821, 26214), (1542, 13957), (1642, 13107), (2463, 8738), (4369, 4926)]