21909668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1723}}^1$

素因数の和:1772

約数の個数: 36

約数和(自身を含む): 44458512

約数和(自身を除く): 22548844

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1723, 3179, 3446, 6358, 6892, 12716, 18953, 29291, 37906, 58582, 75812, 117164, 322201, 497947, 644402, 995894, 1288804, 1991788, 5477417, 10954834, 21909668]

約数ペア:

[(1, 21909668), (2, 10954834), (4, 5477417), (11, 1991788), (17, 1288804), (22, 995894), (34, 644402), (44, 497947), (68, 322201), (187, 117164), (289, 75812), (374, 58582), (578, 37906), (748, 29291), (1156, 18953), (1723, 12716), (3179, 6892), (3446, 6358)]