21393156

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{18379}}^1$

素因数の和:18483

約数の個数: 24

約数和(自身を含む): 50434720

約数和(自身を除く): 29041564

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 18379, 36758, 55137, 73516, 110274, 220548, 1782763, 3565526, 5348289, 7131052, 10696578, 21393156]

約数ペア:

[(1, 21393156), (2, 10696578), (3, 7131052), (4, 5348289), (6, 3565526), (12, 1782763), (97, 220548), (194, 110274), (291, 73516), (388, 55137), (582, 36758), (1164, 18379)]