21482552

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 51770880

約数和(自身を除く): 30288328

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1283, 1288, 2093, 2392, 2566, 4186, 5132, 8372, 8981, 10264, 16679, 16744, 17962, 29509, 33358, 35924, 59018, 66716, 71848, 116753, 118036, 133432, 206563, 233506, 236072, 383617, 413126, 467012, 767234, 826252, 934024, 1534468, 1652504, 2685319, 3068936, 5370638, 10741276, 21482552]

約数ペア:

[(1, 21482552), (2, 10741276), (4, 5370638), (7, 3068936), (8, 2685319), (13, 1652504), (14, 1534468), (23, 934024), (26, 826252), (28, 767234), (46, 467012), (52, 413126), (56, 383617), (91, 236072), (92, 233506), (104, 206563), (161, 133432), (182, 118036), (184, 116753), (299, 71848), (322, 66716), (364, 59018), (598, 35924), (644, 33358), (728, 29509), (1196, 17962), (1283, 16744), (1288, 16679), (2093, 10264), (2392, 8981), (2566, 8372), (4186, 5132)]