21019902

素因数分解:

$2^1\times 3^1\times {\mathrm{1201}}^1\times {\mathrm{2917}}^1$

素因数の和:4123

約数の個数: 16

約数和(自身を含む): 42089232

約数和(自身を除く): 21069330

約数列:

[1, 2, 3, 6, 1201, 2402, 2917, 3603, 5834, 7206, 8751, 17502, 3503317, 7006634, 10509951, 21019902]

約数ペア:

[(1, 21019902), (2, 10509951), (3, 7006634), (6, 3503317), (1201, 17502), (2402, 8751), (2917, 7206), (3603, 5834)]