21704572

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 38729600

約数和(自身を除く): 17025028

約数列:

[1, 2, 4, 103, 139, 206, 278, 379, 412, 556, 758, 1516, 14317, 28634, 39037, 52681, 57268, 78074, 105362, 156148, 210724, 5426143, 10852286, 21704572]

約数ペア:

[(1, 21704572), (2, 10852286), (4, 5426143), (103, 210724), (139, 156148), (206, 105362), (278, 78074), (379, 57268), (412, 52681), (556, 39037), (758, 28634), (1516, 14317)]