21656370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8111}}^1$

素因数の和:8210

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 30909390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 8111, 16222, 24333, 40555, 48666, 81110, 121665, 243330, 721879, 1443758, 2165637, 3609395, 4331274, 7218790, 10828185, 21656370]

約数ペア:

[(1, 21656370), (2, 10828185), (3, 7218790), (5, 4331274), (6, 3609395), (10, 2165637), (15, 1443758), (30, 721879), (89, 243330), (178, 121665), (267, 81110), (445, 48666), (534, 40555), (890, 24333), (1335, 16222), (2670, 8111)]