21113880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175949}}^1$

素因数の和:175963

約数の個数: 32

約数和(自身を含む): 63342000

約数和(自身を除く): 42228120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175949, 351898, 527847, 703796, 879745, 1055694, 1407592, 1759490, 2111388, 2639235, 3518980, 4222776, 5278470, 7037960, 10556940, 21113880]

約数ペア:

[(1, 21113880), (2, 10556940), (3, 7037960), (4, 5278470), (5, 4222776), (6, 3518980), (8, 2639235), (10, 2111388), (12, 1759490), (15, 1407592), (20, 1055694), (24, 879745), (30, 703796), (40, 527847), (60, 351898), (120, 175949)]