21186090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78467}}^1$

素因数の和:78483

約数の個数: 32

約数和(自身を含む): 56496960

約数和(自身を除く): 35310870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78467, 156934, 235401, 392335, 470802, 706203, 784670, 1177005, 1412406, 2118609, 2354010, 3531015, 4237218, 7062030, 10593045, 21186090]

約数ペア:

[(1, 21186090), (2, 10593045), (3, 7062030), (5, 4237218), (6, 3531015), (9, 2354010), (10, 2118609), (15, 1412406), (18, 1177005), (27, 784670), (30, 706203), (45, 470802), (54, 392335), (90, 235401), (135, 156934), (270, 78467)]