21836704141

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{6491}}^1$

素因数の和:6985

約数の個数: 32

約数和(自身を含む): 26524753920

約数和(自身を除く): 4688049779

約数列:

[1, 7, 31, 37, 217, 259, 419, 1147, 2933, 6491, 8029, 12989, 15503, 45437, 90923, 108521, 201221, 240167, 480593, 1408547, 1681169, 2719729, 3364151, 7445177, 19038103, 52116239, 84311599, 100629973, 590181193, 704409811, 3119529163, 21836704141]

約数ペア:

[(1, 21836704141), (7, 3119529163), (31, 704409811), (37, 590181193), (217, 100629973), (259, 84311599), (419, 52116239), (1147, 19038103), (2933, 7445177), (6491, 3364151), (8029, 2719729), (12989, 1681169), (15503, 1408547), (45437, 480593), (90923, 240167), (108521, 201221)]