21489090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102329}}^1$

素因数の和:102346

約数の個数: 32

約数和(自身を含む): 58942080

約数和(自身を除く): 37452990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102329, 204658, 306987, 511645, 613974, 716303, 1023290, 1432606, 1534935, 2148909, 3069870, 3581515, 4297818, 7163030, 10744545, 21489090]

約数ペア:

[(1, 21489090), (2, 10744545), (3, 7163030), (5, 4297818), (6, 3581515), (7, 3069870), (10, 2148909), (14, 1534935), (15, 1432606), (21, 1023290), (30, 716303), (35, 613974), (42, 511645), (70, 306987), (105, 204658), (210, 102329)]