21000620178

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{9186623}}^1$

素因数の和:9186758

約数の個数: 24

約数和(自身を含む): 45859627008

約数和(自身を除く): 24859006830

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 9186623, 18373246, 27559869, 55119738, 82679607, 165359214, 1166701121, 2333402242, 3500103363, 7000206726, 10500310089, 21000620178]

約数ペア:

[(1, 21000620178), (2, 10500310089), (3, 7000206726), (6, 3500103363), (9, 2333402242), (18, 1166701121), (127, 165359214), (254, 82679607), (381, 55119738), (762, 27559869), (1143, 18373246), (2286, 9186623)]