21394284

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11807}}^1$

素因数の和:11965

約数の個数: 24

約数和(自身を含む): 50254848

約数和(自身を除く): 28860564

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11807, 23614, 35421, 47228, 70842, 141684, 1782857, 3565714, 5348571, 7131428, 10697142, 21394284]

約数ペア:

[(1, 21394284), (2, 10697142), (3, 7131428), (4, 5348571), (6, 3565714), (12, 1782857), (151, 141684), (302, 70842), (453, 47228), (604, 35421), (906, 23614), (1812, 11807)]