21071208

素因数分解:

$2^3\times 3^1\times {\mathrm{569}}^1\times {\mathrm{1543}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 52804800

約数和(自身を除く): 31733592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 569, 1138, 1543, 1707, 2276, 3086, 3414, 4552, 4629, 6172, 6828, 9258, 12344, 13656, 18516, 37032, 877967, 1755934, 2633901, 3511868, 5267802, 7023736, 10535604, 21071208]

約数ペア:

[(1, 21071208), (2, 10535604), (3, 7023736), (4, 5267802), (6, 3511868), (8, 2633901), (12, 1755934), (24, 877967), (569, 37032), (1138, 18516), (1543, 13656), (1707, 12344), (2276, 9258), (3086, 6828), (3414, 6172), (4552, 4629)]