21489816

素因数分解:

$2^3\times 3^1\times {\mathrm{337}}^1\times {\mathrm{2657}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 53904240

約数和(自身を除く): 32414424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 337, 674, 1011, 1348, 2022, 2657, 2696, 4044, 5314, 7971, 8088, 10628, 15942, 21256, 31884, 63768, 895409, 1790818, 2686227, 3581636, 5372454, 7163272, 10744908, 21489816]

約数ペア:

[(1, 21489816), (2, 10744908), (3, 7163272), (4, 5372454), (6, 3581636), (8, 2686227), (12, 1790818), (24, 895409), (337, 63768), (674, 31884), (1011, 21256), (1348, 15942), (2022, 10628), (2657, 8088), (2696, 7971), (4044, 5314)]