21592557

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3851}}^1$

素因数の和:3953

約数の個数: 24

約数和(自身を含む): 36054720

約数和(自身を除く): 14462163

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3851, 5607, 11553, 26957, 34659, 80871, 242613, 342739, 1028217, 2399173, 3084651, 7197519, 21592557]

約数ペア:

[(1, 21592557), (3, 7197519), (7, 3084651), (9, 2399173), (21, 1028217), (63, 342739), (89, 242613), (267, 80871), (623, 34659), (801, 26957), (1869, 11553), (3851, 5607)]