21690917474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{13151}}^1$

素因数の和:13658

約数の個数: 32

約数和(自身を含む): 34800192000

約数和(自身を除く): 13109274526

約数列:

[1, 2, 17, 34, 139, 278, 349, 698, 2363, 4726, 5933, 11866, 13151, 26302, 48511, 97022, 223567, 447134, 824687, 1649374, 1827989, 3655978, 4589699, 9179398, 31075813, 62151626, 78024883, 156049766, 637968161, 1275936322, 10845458737, 21690917474]

約数ペア:

[(1, 21690917474), (2, 10845458737), (17, 1275936322), (34, 637968161), (139, 156049766), (278, 78024883), (349, 62151626), (698, 31075813), (2363, 9179398), (4726, 4589699), (5933, 3655978), (11866, 1827989), (13151, 1649374), (26302, 824687), (48511, 447134), (97022, 223567)]