21608928

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 49152672

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 32, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 96, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 288, 304, 342, 352, 359, 396, 418, 456, 528, 608, 627, 684, 718, 792, 836, 912, 1056, 1077, 1254, 1368, 1436, 1584, 1672, 1824, 1881, 2154, 2508, 2736, 2872, 3168, 3231, 3344, 3762, 3949, 4308, 5016, 5472, 5744, 6462, 6688, 6821, 7524, 7898, 8616, 10032, 11488, 11847, 12924, 13642, 15048, 15796, 17232, 20064, 20463, 23694, 25848, 27284, 30096, 31592, 34464, 35541, 40926, 47388, 51696, 54568, 60192, 61389, 63184, 71082, 75031, 81852, 94776, 103392, 109136, 122778, 126368, 142164, 150062, 163704, 189552, 218272, 225093, 245556, 284328, 300124, 327408, 379104, 450186, 491112, 568656, 600248, 654816, 675279, 900372, 982224, 1137312, 1200496, 1350558, 1800744, 1964448, 2400992, 2701116, 3601488, 5402232, 7202976, 10804464, 21608928]

約数ペア:

[(1, 21608928), (2, 10804464), (3, 7202976), (4, 5402232), (6, 3601488), (8, 2701116), (9, 2400992), (11, 1964448), (12, 1800744), (16, 1350558), (18, 1200496), (19, 1137312), (22, 982224), (24, 900372), (32, 675279), (33, 654816), (36, 600248), (38, 568656), (44, 491112), (48, 450186), (57, 379104), (66, 327408), (72, 300124), (76, 284328), (88, 245556), (96, 225093), (99, 218272), (114, 189552), (132, 163704), (144, 150062), (152, 142164), (171, 126368), (176, 122778), (198, 109136), (209, 103392), (228, 94776), (264, 81852), (288, 75031), (304, 71082), (342, 63184), (352, 61389), (359, 60192), (396, 54568), (418, 51696), (456, 47388), (528, 40926), (608, 35541), (627, 34464), (684, 31592), (718, 30096), (792, 27284), (836, 25848), (912, 23694), (1056, 20463), (1077, 20064), (1254, 17232), (1368, 15796), (1436, 15048), (1584, 13642), (1672, 12924), (1824, 11847), (1881, 11488), (2154, 10032), (2508, 8616), (2736, 7898), (2872, 7524), (3168, 6821), (3231, 6688), (3344, 6462), (3762, 5744), (3949, 5472), (4308, 5016)]