21267972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 60060000

約数和(自身を除く): 38792028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1249, 1419, 1548, 1892, 2498, 2838, 3747, 4257, 4996, 5676, 7494, 8514, 11241, 13739, 14988, 17028, 22482, 27478, 41217, 44964, 53707, 54956, 82434, 107414, 123651, 161121, 164868, 214828, 247302, 322242, 483363, 494604, 590777, 644484, 966726, 1181554, 1772331, 1933452, 2363108, 3544662, 5316993, 7089324, 10633986, 21267972]

約数ペア:

[(1, 21267972), (2, 10633986), (3, 7089324), (4, 5316993), (6, 3544662), (9, 2363108), (11, 1933452), (12, 1772331), (18, 1181554), (22, 966726), (33, 644484), (36, 590777), (43, 494604), (44, 483363), (66, 322242), (86, 247302), (99, 214828), (129, 164868), (132, 161121), (172, 123651), (198, 107414), (258, 82434), (387, 54956), (396, 53707), (473, 44964), (516, 41217), (774, 27478), (946, 22482), (1249, 17028), (1419, 14988), (1548, 13739), (1892, 11241), (2498, 8514), (2838, 7494), (3747, 5676), (4257, 4996)]