21312046

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 16572626

約数列:

[1, 2, 7, 14, 41, 82, 107, 214, 287, 347, 574, 694, 749, 1498, 2429, 4387, 4858, 8774, 14227, 28454, 30709, 37129, 61418, 74258, 99589, 199178, 259903, 519806, 1522289, 3044578, 10656023, 21312046]

約数ペア:

[(1, 21312046), (2, 10656023), (7, 3044578), (14, 1522289), (41, 519806), (82, 259903), (107, 199178), (214, 99589), (287, 74258), (347, 61418), (574, 37129), (694, 30709), (749, 28454), (1498, 14227), (2429, 8774), (4387, 4858)]