21864382

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2621}}^1$

素因数の和:2763

約数の個数: 16

約数和(自身を含む): 33918192

約数和(自身を除く): 12053810

約数列:

[1, 2, 43, 86, 97, 194, 2621, 4171, 5242, 8342, 112703, 225406, 254237, 508474, 10932191, 21864382]

約数ペア:

[(1, 21864382), (2, 10932191), (43, 508474), (86, 254237), (97, 225406), (194, 112703), (2621, 8342), (4171, 5242)]