21028032

素因数分解:

$2^6\times 3^3\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:347

約数の個数: 112

約数和(自身を含む): 63479680

約数和(自身を除く): 42451648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 108, 129, 144, 172, 192, 216, 258, 283, 288, 344, 387, 432, 516, 566, 576, 688, 774, 849, 864, 1032, 1132, 1161, 1376, 1548, 1698, 1728, 2064, 2264, 2322, 2547, 2752, 3096, 3396, 4128, 4528, 4644, 5094, 6192, 6792, 7641, 8256, 9056, 9288, 10188, 12169, 12384, 13584, 15282, 18112, 18576, 20376, 24338, 24768, 27168, 30564, 36507, 37152, 40752, 48676, 54336, 61128, 73014, 74304, 81504, 97352, 109521, 122256, 146028, 163008, 194704, 219042, 244512, 292056, 328563, 389408, 438084, 489024, 584112, 657126, 778816, 876168, 1168224, 1314252, 1752336, 2336448, 2628504, 3504672, 5257008, 7009344, 10514016, 21028032]

約数ペア:

[(1, 21028032), (2, 10514016), (3, 7009344), (4, 5257008), (6, 3504672), (8, 2628504), (9, 2336448), (12, 1752336), (16, 1314252), (18, 1168224), (24, 876168), (27, 778816), (32, 657126), (36, 584112), (43, 489024), (48, 438084), (54, 389408), (64, 328563), (72, 292056), (86, 244512), (96, 219042), (108, 194704), (129, 163008), (144, 146028), (172, 122256), (192, 109521), (216, 97352), (258, 81504), (283, 74304), (288, 73014), (344, 61128), (387, 54336), (432, 48676), (516, 40752), (566, 37152), (576, 36507), (688, 30564), (774, 27168), (849, 24768), (864, 24338), (1032, 20376), (1132, 18576), (1161, 18112), (1376, 15282), (1548, 13584), (1698, 12384), (1728, 12169), (2064, 10188), (2264, 9288), (2322, 9056), (2547, 8256), (2752, 7641), (3096, 6792), (3396, 6192), (4128, 5094), (4528, 4644)]