21157368

素因数分解:

$2^3\times 3^1\times {\mathrm{811}}^1\times {\mathrm{1087}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 53007360

約数和(自身を除く): 31849992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 811, 1087, 1622, 2174, 2433, 3244, 3261, 4348, 4866, 6488, 6522, 8696, 9732, 13044, 19464, 26088, 881557, 1763114, 2644671, 3526228, 5289342, 7052456, 10578684, 21157368]

約数ペア:

[(1, 21157368), (2, 10578684), (3, 7052456), (4, 5289342), (6, 3526228), (8, 2644671), (12, 1763114), (24, 881557), (811, 26088), (1087, 19464), (1622, 13044), (2174, 9732), (2433, 8696), (3244, 6522), (3261, 6488), (4348, 4866)]