21089232

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1220

約数の個数: 60

約数和(自身を含む): 59506980

約数和(自身を除く): 38417748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1069, 1096, 1233, 1644, 2138, 2192, 2466, 3207, 3288, 4276, 4932, 6414, 6576, 8552, 9621, 9864, 12828, 17104, 19242, 19728, 25656, 38484, 51312, 76968, 146453, 153936, 292906, 439359, 585812, 878718, 1171624, 1318077, 1757436, 2343248, 2636154, 3514872, 5272308, 7029744, 10544616, 21089232]

約数ペア:

[(1, 21089232), (2, 10544616), (3, 7029744), (4, 5272308), (6, 3514872), (8, 2636154), (9, 2343248), (12, 1757436), (16, 1318077), (18, 1171624), (24, 878718), (36, 585812), (48, 439359), (72, 292906), (137, 153936), (144, 146453), (274, 76968), (411, 51312), (548, 38484), (822, 25656), (1069, 19728), (1096, 19242), (1233, 17104), (1644, 12828), (2138, 9864), (2192, 9621), (2466, 8552), (3207, 6576), (3288, 6414), (4276, 4932)]