21623924

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4919}}^1$

素因数の和:5087

約数の個数: 24

約数和(自身を含む): 43532160

約数和(自身を除く): 21908236

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4919, 9838, 19676, 34433, 68866, 137732, 772283, 1544566, 3089132, 5405981, 10811962, 21623924]

約数ペア:

[(1, 21623924), (2, 10811962), (4, 5405981), (7, 3089132), (14, 1544566), (28, 772283), (157, 137732), (314, 68866), (628, 34433), (1099, 19676), (2198, 9838), (4396, 4919)]