21342796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 17182964

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 719, 724, 1438, 2876, 7421, 14842, 29479, 29684, 58958, 117916, 130139, 260278, 520556, 5335699, 10671398, 21342796]

約数ペア:

[(1, 21342796), (2, 10671398), (4, 5335699), (41, 520556), (82, 260278), (164, 130139), (181, 117916), (362, 58958), (719, 29684), (724, 29479), (1438, 14842), (2876, 7421)]