21000891266

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1\times {\mathrm{3217}}^1$

素因数の和:4086

約数の個数: 32

約数和(自身を含む): 32510733168

約数和(自身を除く): 11509841902

約数列:

[1, 2, 61, 73, 122, 146, 733, 1466, 3217, 4453, 6434, 8906, 44713, 53509, 89426, 107018, 196237, 234841, 392474, 469682, 2358061, 3264049, 4716122, 6528098, 14325301, 28650602, 143841721, 172138453, 287683442, 344276906, 10500445633, 21000891266]

約数ペア:

[(1, 21000891266), (2, 10500445633), (61, 344276906), (73, 287683442), (122, 172138453), (146, 143841721), (733, 28650602), (1466, 14325301), (3217, 6528098), (4453, 4716122), (6434, 3264049), (8906, 2358061), (44713, 469682), (53509, 392474), (89426, 234841), (107018, 196237)]