21170464

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3259}}^1$

素因数の和:3305

約数の個数: 48

約数和(自身を含む): 49291200

約数和(自身を除く): 28120736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 3259, 6496, 6518, 13036, 22813, 26072, 45626, 52144, 91252, 94511, 104288, 182504, 189022, 365008, 378044, 661577, 730016, 756088, 1323154, 1512176, 2646308, 3024352, 5292616, 10585232, 21170464]

約数ペア:

[(1, 21170464), (2, 10585232), (4, 5292616), (7, 3024352), (8, 2646308), (14, 1512176), (16, 1323154), (28, 756088), (29, 730016), (32, 661577), (56, 378044), (58, 365008), (112, 189022), (116, 182504), (203, 104288), (224, 94511), (232, 91252), (406, 52144), (464, 45626), (812, 26072), (928, 22813), (1624, 13036), (3248, 6518), (3259, 6496)]