21443982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4957}}^1$

素因数の和:5072

約数の個数: 32

約数和(自身を含む): 49500672

約数和(自身を除く): 28056690

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4957, 9914, 14871, 29742, 34699, 69398, 104097, 208194, 510571, 1021142, 1531713, 3063426, 3573997, 7147994, 10721991, 21443982]

約数ペア:

[(1, 21443982), (2, 10721991), (3, 7147994), (6, 3573997), (7, 3063426), (14, 1531713), (21, 1021142), (42, 510571), (103, 208194), (206, 104097), (309, 69398), (618, 34699), (721, 29742), (1442, 14871), (2163, 9914), (4326, 4957)]