21464065

素因数分解:

$5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1249}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 29520000

約数和(自身を除く): 8055935

約数列:

[1, 5, 7, 35, 491, 1249, 2455, 3437, 6245, 8743, 17185, 43715, 613259, 3066295, 4292813, 21464065]

約数ペア:

[(1, 21464065), (5, 4292813), (7, 3066295), (35, 613259), (491, 43715), (1249, 17185), (2455, 8743), (3437, 6245)]