21000923123

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{4657}}^1$

素因数の和:4947

約数の個数: 32

約数和(自身を含む): 23610470400

約数和(自身を除く): 2609547277

約数列:

[1, 17, 31, 43, 199, 527, 731, 1333, 3383, 4657, 6169, 8557, 22661, 79169, 104873, 144367, 145469, 200251, 265267, 926743, 2454239, 3404267, 4509539, 6207781, 15754631, 28729033, 39849949, 105532277, 488393561, 677449133, 1235348419, 21000923123]

約数ペア:

[(1, 21000923123), (17, 1235348419), (31, 677449133), (43, 488393561), (199, 105532277), (527, 39849949), (731, 28729033), (1333, 15754631), (3383, 6207781), (4657, 4509539), (6169, 3404267), (8557, 2454239), (22661, 926743), (79169, 265267), (104873, 200251), (144367, 145469)]