21922628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 47604480

約数和(自身を除く): 25681852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 229, 263, 364, 458, 526, 916, 1052, 1603, 1841, 2977, 3206, 3419, 3682, 5954, 6412, 6838, 7364, 11908, 13676, 20839, 23933, 41678, 47866, 60227, 83356, 95732, 120454, 240908, 421589, 782951, 843178, 1565902, 1686356, 3131804, 5480657, 10961314, 21922628]

約数ペア:

[(1, 21922628), (2, 10961314), (4, 5480657), (7, 3131804), (13, 1686356), (14, 1565902), (26, 843178), (28, 782951), (52, 421589), (91, 240908), (182, 120454), (229, 95732), (263, 83356), (364, 60227), (458, 47866), (526, 41678), (916, 23933), (1052, 20839), (1603, 13676), (1841, 11908), (2977, 7364), (3206, 6838), (3419, 6412), (3682, 5954)]