21156044

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:92

約数の個数: 108

約数和(自身を含む): 51078384

約数和(自身を除く): 29922340

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 46, 49, 52, 76, 91, 92, 98, 133, 161, 182, 196, 247, 266, 299, 322, 361, 364, 437, 494, 532, 598, 637, 644, 722, 874, 931, 988, 1127, 1196, 1274, 1444, 1729, 1748, 1862, 2093, 2254, 2527, 2548, 3059, 3458, 3724, 4186, 4508, 4693, 5054, 5681, 6118, 6916, 8303, 8372, 9386, 10108, 11362, 12103, 12236, 14651, 16606, 17689, 18772, 21413, 22724, 24206, 29302, 32851, 33212, 35378, 39767, 42826, 48412, 58121, 58604, 65702, 70756, 79534, 85652, 107939, 116242, 131404, 159068, 215878, 229957, 232484, 278369, 406847, 431756, 459914, 556738, 755573, 813694, 919828, 1113476, 1511146, 1627388, 3022292, 5289011, 10578022, 21156044]

約数ペア:

[(1, 21156044), (2, 10578022), (4, 5289011), (7, 3022292), (13, 1627388), (14, 1511146), (19, 1113476), (23, 919828), (26, 813694), (28, 755573), (38, 556738), (46, 459914), (49, 431756), (52, 406847), (76, 278369), (91, 232484), (92, 229957), (98, 215878), (133, 159068), (161, 131404), (182, 116242), (196, 107939), (247, 85652), (266, 79534), (299, 70756), (322, 65702), (361, 58604), (364, 58121), (437, 48412), (494, 42826), (532, 39767), (598, 35378), (637, 33212), (644, 32851), (722, 29302), (874, 24206), (931, 22724), (988, 21413), (1127, 18772), (1196, 17689), (1274, 16606), (1444, 14651), (1729, 12236), (1748, 12103), (1862, 11362), (2093, 10108), (2254, 9386), (2527, 8372), (2548, 8303), (3059, 6916), (3458, 6118), (3724, 5681), (4186, 5054), (4508, 4693)]