20212113488

素因数分解:

$2^4\times 7^2\times {\mathrm{97}}^1\times {\mathrm{265781}}^1$

素因数の和:265900

約数の個数: 60

約数和(自身を含む): 46024405812

約数和(自身を除く): 25812292324

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 97, 98, 112, 194, 196, 388, 392, 679, 776, 784, 1358, 1552, 2716, 4753, 5432, 9506, 10864, 19012, 38024, 76048, 265781, 531562, 1063124, 1860467, 2126248, 3720934, 4252496, 7441868, 13023269, 14883736, 25780757, 26046538, 29767472, 51561514, 52093076, 103123028, 104186152, 180465299, 206246056, 208372304, 360930598, 412492112, 721861196, 1263257093, 1443722392, 2526514186, 2887444784, 5053028372, 10106056744, 20212113488]

約数ペア:

[(1, 20212113488), (2, 10106056744), (4, 5053028372), (7, 2887444784), (8, 2526514186), (14, 1443722392), (16, 1263257093), (28, 721861196), (49, 412492112), (56, 360930598), (97, 208372304), (98, 206246056), (112, 180465299), (194, 104186152), (196, 103123028), (388, 52093076), (392, 51561514), (679, 29767472), (776, 26046538), (784, 25780757), (1358, 14883736), (1552, 13023269), (2716, 7441868), (4753, 4252496), (5432, 3720934), (9506, 2126248), (10864, 1860467), (19012, 1063124), (38024, 531562), (76048, 265781)]