21308968

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 42136200

約数和(自身を除く): 20827232

約数列:

[1, 2, 4, 8, 29, 53, 58, 106, 116, 212, 232, 424, 1537, 1733, 3074, 3466, 6148, 6932, 12296, 13864, 50257, 91849, 100514, 183698, 201028, 367396, 402056, 734792, 2663621, 5327242, 10654484, 21308968]

約数ペア:

[(1, 21308968), (2, 10654484), (4, 5327242), (8, 2663621), (29, 734792), (53, 402056), (58, 367396), (106, 201028), (116, 183698), (212, 100514), (232, 91849), (424, 50257), (1537, 13864), (1733, 12296), (3074, 6932), (3466, 6148)]