21867350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10667}}^1$

素因数の和:10720

約数の個数: 24

約数和(自身を含む): 41669208

約数和(自身を除く): 19801858

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10667, 21334, 53335, 106670, 266675, 437347, 533350, 874694, 2186735, 4373470, 10933675, 21867350]

約数ペア:

[(1, 21867350), (2, 10933675), (5, 4373470), (10, 2186735), (25, 874694), (41, 533350), (50, 437347), (82, 266675), (205, 106670), (410, 53335), (1025, 21334), (2050, 10667)]