21399808

素因数分解:

$2^8\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:662

約数の個数: 36

約数和(自身を含む): 43046640

約数和(自身を除く): 21646832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 256, 358, 467, 716, 934, 1432, 1868, 2864, 3736, 5728, 7472, 11456, 14944, 22912, 29888, 45824, 59776, 83593, 119552, 167186, 334372, 668744, 1337488, 2674976, 5349952, 10699904, 21399808]

約数ペア:

[(1, 21399808), (2, 10699904), (4, 5349952), (8, 2674976), (16, 1337488), (32, 668744), (64, 334372), (128, 167186), (179, 119552), (256, 83593), (358, 59776), (467, 45824), (716, 29888), (934, 22912), (1432, 14944), (1868, 11456), (2864, 7472), (3736, 5728)]