21644978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 14746702

約数列:

[1, 2, 17, 23, 34, 46, 89, 178, 311, 391, 622, 782, 1513, 2047, 3026, 4094, 5287, 7153, 10574, 14306, 27679, 34799, 55358, 69598, 121601, 243202, 470543, 636617, 941086, 1273234, 10822489, 21644978]

約数ペア:

[(1, 21644978), (2, 10822489), (17, 1273234), (23, 941086), (34, 636617), (46, 470543), (89, 243202), (178, 121601), (311, 69598), (391, 55358), (622, 34799), (782, 27679), (1513, 14306), (2047, 10574), (3026, 7153), (4094, 5287)]