21904416180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121691201}}^1$

素因数の和:121691216

約数の個数: 36

約数和(自身を含む): 66443396292

約数和(自身を除く): 44538980112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121691201, 243382402, 365073603, 486764804, 608456005, 730147206, 1095220809, 1216912010, 1460294412, 1825368015, 2190441618, 2433824020, 3650736030, 4380883236, 5476104045, 7301472060, 10952208090, 21904416180]

約数ペア:

[(1, 21904416180), (2, 10952208090), (3, 7301472060), (4, 5476104045), (5, 4380883236), (6, 3650736030), (9, 2433824020), (10, 2190441618), (12, 1825368015), (15, 1460294412), (18, 1216912010), (20, 1095220809), (30, 730147206), (36, 608456005), (45, 486764804), (60, 365073603), (90, 243382402), (180, 121691201)]