21979734

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74761}}^1$

素因数の和:74780

約数の個数: 24

約数和(自身を含む): 51137208

約数和(自身を除く): 29157474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74761, 149522, 224283, 448566, 523327, 1046654, 1569981, 3139962, 3663289, 7326578, 10989867, 21979734]

約数ペア:

[(1, 21979734), (2, 10989867), (3, 7326578), (6, 3663289), (7, 3139962), (14, 1569981), (21, 1046654), (42, 523327), (49, 448566), (98, 224283), (147, 149522), (294, 74761)]