21965436

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3371}}^1$

素因数の和:3562

約数の個数: 36

約数和(自身を含む): 55847064

約数和(自身を除く): 33881628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 3371, 6516, 6742, 10113, 13484, 20226, 30339, 40452, 60678, 121356, 610151, 1220302, 1830453, 2440604, 3660906, 5491359, 7321812, 10982718, 21965436]

約数ペア:

[(1, 21965436), (2, 10982718), (3, 7321812), (4, 5491359), (6, 3660906), (9, 2440604), (12, 1830453), (18, 1220302), (36, 610151), (181, 121356), (362, 60678), (543, 40452), (724, 30339), (1086, 20226), (1629, 13484), (2172, 10113), (3258, 6742), (3371, 6516)]