21921078

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 23006922

約数列:

[1, 2, 3, 6, 79, 103, 158, 206, 237, 309, 449, 474, 618, 898, 1347, 2694, 8137, 16274, 24411, 35471, 46247, 48822, 70942, 92494, 106413, 138741, 212826, 277482, 3653513, 7307026, 10960539, 21921078]

約数ペア:

[(1, 21921078), (2, 10960539), (3, 7307026), (6, 3653513), (79, 277482), (103, 212826), (158, 138741), (206, 106413), (237, 92494), (309, 70942), (449, 48822), (474, 46247), (618, 35471), (898, 24411), (1347, 16274), (2694, 8137)]