21159036

素因数分解:

$2^2\times 3^3\times {\mathrm{107}}^1\times {\mathrm{1831}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 55399680

約数和(自身を除く): 34240644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 214, 321, 428, 642, 963, 1284, 1831, 1926, 2889, 3662, 3852, 5493, 5778, 7324, 10986, 11556, 16479, 21972, 32958, 49437, 65916, 98874, 195917, 197748, 391834, 587751, 783668, 1175502, 1763253, 2351004, 3526506, 5289759, 7053012, 10579518, 21159036]

約数ペア:

[(1, 21159036), (2, 10579518), (3, 7053012), (4, 5289759), (6, 3526506), (9, 2351004), (12, 1763253), (18, 1175502), (27, 783668), (36, 587751), (54, 391834), (107, 197748), (108, 195917), (214, 98874), (321, 65916), (428, 49437), (642, 32958), (963, 21972), (1284, 16479), (1831, 11556), (1926, 10986), (2889, 7324), (3662, 5778), (3852, 5493)]