21670192384

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{10151}}^1$

素因数の和:10467

約数の個数: 72

約数和(自身を含む): 44821486080

約数和(自身を除く): 23151293696

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 269, 496, 538, 992, 1076, 1984, 2152, 3968, 4304, 7936, 8339, 8608, 10151, 16678, 17216, 20302, 33356, 34432, 40604, 66712, 68864, 81208, 133424, 162416, 266848, 314681, 324832, 533696, 629362, 649664, 1067392, 1258724, 1299328, 2134784, 2517448, 2598656, 2730619, 5034896, 5461238, 10069792, 10922476, 20139584, 21844952, 40279168, 43689904, 80558336, 84649189, 87379808, 169298378, 174759616, 338596756, 349519232, 677193512, 699038464, 1354387024, 2708774048, 5417548096, 10835096192, 21670192384]

約数ペア:

[(1, 21670192384), (2, 10835096192), (4, 5417548096), (8, 2708774048), (16, 1354387024), (31, 699038464), (32, 677193512), (62, 349519232), (64, 338596756), (124, 174759616), (128, 169298378), (248, 87379808), (256, 84649189), (269, 80558336), (496, 43689904), (538, 40279168), (992, 21844952), (1076, 20139584), (1984, 10922476), (2152, 10069792), (3968, 5461238), (4304, 5034896), (7936, 2730619), (8339, 2598656), (8608, 2517448), (10151, 2134784), (16678, 1299328), (17216, 1258724), (20302, 1067392), (33356, 649664), (34432, 629362), (40604, 533696), (66712, 324832), (68864, 314681), (81208, 266848), (133424, 162416)]