21392792

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5113}}^1$

素因数の和:5642

約数の個数: 16

約数和(自身を含む): 40196040

約数和(自身を除く): 18803248

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5113, 10226, 20452, 40904, 2674099, 5348198, 10696396, 21392792]

約数ペア:

[(1, 21392792), (2, 10696396), (4, 5348198), (8, 2674099), (523, 40904), (1046, 20452), (2092, 10226), (4184, 5113)]