21276810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78803}}^1$

素因数の和:78819

約数の個数: 32

約数和(自身を含む): 56738880

約数和(自身を除く): 35462070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78803, 157606, 236409, 394015, 472818, 709227, 788030, 1182045, 1418454, 2127681, 2364090, 3546135, 4255362, 7092270, 10638405, 21276810]

約数ペア:

[(1, 21276810), (2, 10638405), (3, 7092270), (5, 4255362), (6, 3546135), (9, 2364090), (10, 2127681), (15, 1418454), (18, 1182045), (27, 788030), (30, 709227), (45, 472818), (54, 394015), (90, 236409), (135, 157606), (270, 78803)]