21978848

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15973}}^1$

素因数の和:16026

約数の個数: 24

約数和(自身を含む): 44279928

約数和(自身を除く): 22301080

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15973, 31946, 63892, 127784, 255568, 511136, 686839, 1373678, 2747356, 5494712, 10989424, 21978848]

約数ペア:

[(1, 21978848), (2, 10989424), (4, 5494712), (8, 2747356), (16, 1373678), (32, 686839), (43, 511136), (86, 255568), (172, 127784), (344, 63892), (688, 31946), (1376, 15973)]