21181612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{857}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 38342304

約数和(自身を除く): 17160692

約数列:

[1, 2, 4, 37, 74, 148, 167, 334, 668, 857, 1714, 3428, 6179, 12358, 24716, 31709, 63418, 126836, 143119, 286238, 572476, 5295403, 10590806, 21181612]

約数ペア:

[(1, 21181612), (2, 10590806), (4, 5295403), (37, 572476), (74, 286238), (148, 143119), (167, 126836), (334, 63418), (668, 31709), (857, 24716), (1714, 12358), (3428, 6179)]