21746408

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1619}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 21410392

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1619, 1679, 3238, 3358, 6476, 6716, 12952, 13432, 37237, 74474, 118187, 148948, 236374, 297896, 472748, 945496, 2718301, 5436602, 10873204, 21746408]

約数ペア:

[(1, 21746408), (2, 10873204), (4, 5436602), (8, 2718301), (23, 945496), (46, 472748), (73, 297896), (92, 236374), (146, 148948), (184, 118187), (292, 74474), (584, 37237), (1619, 13432), (1679, 12952), (3238, 6716), (3358, 6476)]