21741232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1193}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 45305136

約数和(自身を除く): 23563904

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 1193, 2278, 2386, 4556, 4772, 9112, 9544, 18224, 19088, 20281, 40562, 79931, 81124, 159862, 162248, 319724, 324496, 639448, 1278896, 1358827, 2717654, 5435308, 10870616, 21741232]

約数ペア:

[(1, 21741232), (2, 10870616), (4, 5435308), (8, 2717654), (16, 1358827), (17, 1278896), (34, 639448), (67, 324496), (68, 319724), (134, 162248), (136, 159862), (268, 81124), (272, 79931), (536, 40562), (1072, 20281), (1139, 19088), (1193, 18224), (2278, 9544), (2386, 9112), (4556, 4772)]