21930712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 21614888

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 446, 647, 892, 1294, 1784, 2588, 4237, 5176, 8474, 12293, 16948, 24586, 33896, 49172, 98344, 144281, 288562, 577124, 1154248, 2741339, 5482678, 10965356, 21930712]

約数ペア:

[(1, 21930712), (2, 10965356), (4, 5482678), (8, 2741339), (19, 1154248), (38, 577124), (76, 288562), (152, 144281), (223, 98344), (446, 49172), (647, 33896), (892, 24586), (1294, 16948), (1784, 12293), (2588, 8474), (4237, 5176)]