21072612

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 53932032

約数和(自身を除く): 32859420

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 263, 526, 607, 789, 1052, 1214, 1578, 1821, 2428, 2893, 3156, 3642, 5786, 6677, 7284, 8679, 11572, 13354, 17358, 20031, 26708, 34716, 40062, 80124, 159641, 319282, 478923, 638564, 957846, 1756051, 1915692, 3512102, 5268153, 7024204, 10536306, 21072612]

約数ペア:

[(1, 21072612), (2, 10536306), (3, 7024204), (4, 5268153), (6, 3512102), (11, 1915692), (12, 1756051), (22, 957846), (33, 638564), (44, 478923), (66, 319282), (132, 159641), (263, 80124), (526, 40062), (607, 34716), (789, 26708), (1052, 20031), (1214, 17358), (1578, 13354), (1821, 11572), (2428, 8679), (2893, 7284), (3156, 6677), (3642, 5786)]