21127628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 38695104

約数和(自身を除く): 17567476

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2741, 3854, 5482, 7708, 10964, 112381, 128827, 224762, 257654, 449524, 515308, 5281907, 10563814, 21127628]

約数ペア:

[(1, 21127628), (2, 10563814), (4, 5281907), (41, 515308), (47, 449524), (82, 257654), (94, 224762), (164, 128827), (188, 112381), (1927, 10964), (2741, 7708), (3854, 5482)]