21167123928

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{5471}}^1$

素因数の和:5709

約数の個数: 128

約数和(自身を含む): 56859770880

約数和(自身を除く): 35692646952

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 43, 46, 69, 86, 92, 129, 138, 163, 172, 184, 258, 276, 326, 344, 489, 516, 552, 652, 978, 989, 1032, 1304, 1956, 1978, 2967, 3749, 3912, 3956, 5471, 5934, 7009, 7498, 7912, 10942, 11247, 11868, 14018, 14996, 16413, 21027, 21884, 22494, 23736, 28036, 29992, 32826, 42054, 43768, 44988, 56072, 65652, 84108, 89976, 125833, 131304, 161207, 168216, 235253, 251666, 322414, 377499, 470506, 483621, 503332, 644828, 705759, 754998, 891773, 941012, 967242, 1006664, 1289656, 1411518, 1509996, 1783546, 1882024, 1934484, 2675319, 2823036, 3019992, 3567092, 3868968, 5350638, 5410819, 5646072, 7134184, 10701276, 10821638, 16232457, 20510779, 21402552, 21643276, 32464914, 38346239, 41021558, 43286552, 61532337, 64929828, 76692478, 82043116, 115038717, 123064674, 129859656, 153384956, 164086232, 230077434, 246129348, 306769912, 460154868, 492258696, 881963497, 920309736, 1763926994, 2645890491, 3527853988, 5291780982, 7055707976, 10583561964, 21167123928]

約数ペア:

[(1, 21167123928), (2, 10583561964), (3, 7055707976), (4, 5291780982), (6, 3527853988), (8, 2645890491), (12, 1763926994), (23, 920309736), (24, 881963497), (43, 492258696), (46, 460154868), (69, 306769912), (86, 246129348), (92, 230077434), (129, 164086232), (138, 153384956), (163, 129859656), (172, 123064674), (184, 115038717), (258, 82043116), (276, 76692478), (326, 64929828), (344, 61532337), (489, 43286552), (516, 41021558), (552, 38346239), (652, 32464914), (978, 21643276), (989, 21402552), (1032, 20510779), (1304, 16232457), (1956, 10821638), (1978, 10701276), (2967, 7134184), (3749, 5646072), (3912, 5410819), (3956, 5350638), (5471, 3868968), (5934, 3567092), (7009, 3019992), (7498, 2823036), (7912, 2675319), (10942, 1934484), (11247, 1882024), (11868, 1783546), (14018, 1509996), (14996, 1411518), (16413, 1289656), (21027, 1006664), (21884, 967242), (22494, 941012), (23736, 891773), (28036, 754998), (29992, 705759), (32826, 644828), (42054, 503332), (43768, 483621), (44988, 470506), (56072, 377499), (65652, 322414), (84108, 251666), (89976, 235253), (125833, 168216), (131304, 161207)]