21455892

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3947}}^1$

素因数の和:4108

約数の個数: 36

約数和(自身を含む): 54608736

約数和(自身を除く): 33152844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3947, 5436, 7894, 11841, 15788, 23682, 35523, 47364, 71046, 142092, 595997, 1191994, 1787991, 2383988, 3575982, 5363973, 7151964, 10727946, 21455892]

約数ペア:

[(1, 21455892), (2, 10727946), (3, 7151964), (4, 5363973), (6, 3575982), (9, 2383988), (12, 1787991), (18, 1191994), (36, 595997), (151, 142092), (302, 71046), (453, 47364), (604, 35523), (906, 23682), (1359, 15788), (1812, 11841), (2718, 7894), (3947, 5436)]