21111768

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10111}}^1$

素因数の和:10152

約数の個数: 48

約数和(自身を含む): 59155200

約数和(自身を除く): 38043432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10111, 20222, 30333, 40444, 60666, 80888, 90999, 121332, 181998, 242664, 293219, 363996, 586438, 727992, 879657, 1172876, 1759314, 2345752, 2638971, 3518628, 5277942, 7037256, 10555884, 21111768]

約数ペア:

[(1, 21111768), (2, 10555884), (3, 7037256), (4, 5277942), (6, 3518628), (8, 2638971), (9, 2345752), (12, 1759314), (18, 1172876), (24, 879657), (29, 727992), (36, 586438), (58, 363996), (72, 293219), (87, 242664), (116, 181998), (174, 121332), (232, 90999), (261, 80888), (348, 60666), (522, 40444), (696, 30333), (1044, 20222), (2088, 10111)]