21888216

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 68459040

約数和(自身を除く): 46570824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 137, 168, 252, 274, 317, 411, 504, 548, 634, 822, 951, 959, 1096, 1233, 1268, 1644, 1902, 1918, 2219, 2466, 2536, 2853, 2877, 3288, 3804, 3836, 4438, 4932, 5706, 5754, 6657, 7608, 7672, 8631, 8876, 9864, 11412, 11508, 13314, 17262, 17752, 19971, 22824, 23016, 26628, 34524, 39942, 43429, 53256, 69048, 79884, 86858, 130287, 159768, 173716, 260574, 304003, 347432, 390861, 521148, 608006, 781722, 912009, 1042296, 1216012, 1563444, 1824018, 2432024, 2736027, 3126888, 3648036, 5472054, 7296072, 10944108, 21888216]

約数ペア:

[(1, 21888216), (2, 10944108), (3, 7296072), (4, 5472054), (6, 3648036), (7, 3126888), (8, 2736027), (9, 2432024), (12, 1824018), (14, 1563444), (18, 1216012), (21, 1042296), (24, 912009), (28, 781722), (36, 608006), (42, 521148), (56, 390861), (63, 347432), (72, 304003), (84, 260574), (126, 173716), (137, 159768), (168, 130287), (252, 86858), (274, 79884), (317, 69048), (411, 53256), (504, 43429), (548, 39942), (634, 34524), (822, 26628), (951, 23016), (959, 22824), (1096, 19971), (1233, 17752), (1268, 17262), (1644, 13314), (1902, 11508), (1918, 11412), (2219, 9864), (2466, 8876), (2536, 8631), (2853, 7672), (2877, 7608), (3288, 6657), (3804, 5754), (3836, 5706), (4438, 4932)]