21978492

素因数分解:

$2^2\times 3^1\times {\mathrm{1187}}^1\times {\mathrm{1543}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 51359616

約数和(自身を除く): 29381124

約数列:

[1, 2, 3, 4, 6, 12, 1187, 1543, 2374, 3086, 3561, 4629, 4748, 6172, 7122, 9258, 14244, 18516, 1831541, 3663082, 5494623, 7326164, 10989246, 21978492]

約数ペア:

[(1, 21978492), (2, 10989246), (3, 7326164), (4, 5494623), (6, 3663082), (12, 1831541), (1187, 18516), (1543, 14244), (2374, 9258), (3086, 7122), (3561, 6172), (4629, 4748)]