21979622

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 17937178

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 203, 301, 406, 602, 1247, 1259, 2494, 2518, 8729, 8813, 17458, 17626, 36511, 54137, 73022, 108274, 255577, 378959, 511154, 757918, 1569973, 3139946, 10989811, 21979622]

約数ペア:

[(1, 21979622), (2, 10989811), (7, 3139946), (14, 1569973), (29, 757918), (43, 511154), (58, 378959), (86, 255577), (203, 108274), (301, 73022), (406, 54137), (602, 36511), (1247, 17626), (1259, 17458), (2494, 8813), (2518, 8729)]