21385598

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 36099840

約数和(自身を除く): 14714242

約数列:

[1, 2, 13, 26, 31, 62, 157, 169, 314, 338, 403, 806, 2041, 2197, 4082, 4394, 4867, 5239, 9734, 10478, 26533, 53066, 63271, 68107, 126542, 136214, 344929, 689858, 822523, 1645046, 10692799, 21385598]

約数ペア:

[(1, 21385598), (2, 10692799), (13, 1645046), (26, 822523), (31, 689858), (62, 344929), (157, 136214), (169, 126542), (314, 68107), (338, 63271), (403, 53066), (806, 26533), (2041, 10478), (2197, 9734), (4082, 5239), (4394, 4867)]