21040932

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 55383328

約数和(自身を除く): 34342396

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 121, 129, 132, 172, 242, 258, 337, 363, 473, 484, 516, 674, 726, 946, 1011, 1348, 1419, 1452, 1892, 2022, 2838, 3707, 4044, 5203, 5676, 7414, 10406, 11121, 14491, 14828, 15609, 20812, 22242, 28982, 31218, 40777, 43473, 44484, 57964, 62436, 81554, 86946, 122331, 159401, 163108, 173892, 244662, 318802, 478203, 489324, 637604, 956406, 1753411, 1912812, 3506822, 5260233, 7013644, 10520466, 21040932]

約数ペア:

[(1, 21040932), (2, 10520466), (3, 7013644), (4, 5260233), (6, 3506822), (11, 1912812), (12, 1753411), (22, 956406), (33, 637604), (43, 489324), (44, 478203), (66, 318802), (86, 244662), (121, 173892), (129, 163108), (132, 159401), (172, 122331), (242, 86946), (258, 81554), (337, 62436), (363, 57964), (473, 44484), (484, 43473), (516, 40777), (674, 31218), (726, 28982), (946, 22242), (1011, 20812), (1348, 15609), (1419, 14828), (1452, 14491), (1892, 11121), (2022, 10406), (2838, 7414), (3707, 5676), (4044, 5203)]