21861694

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 35255880

約数和(自身を除く): 13394186

約数列:

[1, 2, 17, 34, 109, 218, 289, 347, 578, 694, 1853, 3706, 5899, 11798, 31501, 37823, 63002, 75646, 100283, 200566, 642991, 1285982, 10930847, 21861694]

約数ペア:

[(1, 21861694), (2, 10930847), (17, 1285982), (34, 642991), (109, 200566), (218, 100283), (289, 75646), (347, 63002), (578, 37823), (694, 31501), (1853, 11798), (3706, 5899)]