21384564

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20023}}^1$

素因数の和:20119

約数の個数: 24

約数和(自身を含む): 50460480

約数和(自身を除く): 29075916

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20023, 40046, 60069, 80092, 120138, 240276, 1782047, 3564094, 5346141, 7128188, 10692282, 21384564]

約数ペア:

[(1, 21384564), (2, 10692282), (3, 7128188), (4, 5346141), (6, 3564094), (12, 1782047), (89, 240276), (178, 120138), (267, 80092), (356, 60069), (534, 40046), (1068, 20023)]