21954244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4099}}^1$

素因数の和:4219

約数の個数: 24

約数和(自身を含む): 41787200

約数和(自身を除く): 19832956

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 4099, 5356, 8198, 16396, 53287, 106574, 213148, 422197, 844394, 1688788, 5488561, 10977122, 21954244]

約数ペア:

[(1, 21954244), (2, 10977122), (4, 5488561), (13, 1688788), (26, 844394), (52, 422197), (103, 213148), (206, 106574), (412, 53287), (1339, 16396), (2678, 8198), (4099, 5356)]