21865936

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17299}}^1$

素因数の和:17386

約数の個数: 20

約数和(自身を含む): 42904000

約数和(自身を除く): 21038064

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17299, 34598, 69196, 138392, 276784, 1366621, 2733242, 5466484, 10932968, 21865936]

約数ペア:

[(1, 21865936), (2, 10932968), (4, 5466484), (8, 2733242), (16, 1366621), (79, 276784), (158, 138392), (316, 69196), (632, 34598), (1264, 17299)]