21655848

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{3511}}^1$

素因数の和:3777

約数の個数: 32

約数和(自身を含む): 54365760

約数和(自身を除く): 32709912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 3511, 6168, 7022, 10533, 14044, 21066, 28088, 42132, 84264, 902327, 1804654, 2706981, 3609308, 5413962, 7218616, 10827924, 21655848]

約数ペア:

[(1, 21655848), (2, 10827924), (3, 7218616), (4, 5413962), (6, 3609308), (8, 2706981), (12, 1804654), (24, 902327), (257, 84264), (514, 42132), (771, 28088), (1028, 21066), (1542, 14044), (2056, 10533), (3084, 7022), (3511, 6168)]