21146936

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 41623200

約数和(自身を除く): 20476264

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 281, 409, 562, 818, 1124, 1636, 2248, 3272, 6463, 9407, 12926, 18814, 25852, 37628, 51704, 75256, 114929, 229858, 459716, 919432, 2643367, 5286734, 10573468, 21146936]

約数ペア:

[(1, 21146936), (2, 10573468), (4, 5286734), (8, 2643367), (23, 919432), (46, 459716), (92, 229858), (184, 114929), (281, 75256), (409, 51704), (562, 37628), (818, 25852), (1124, 18814), (1636, 12926), (2248, 9407), (3272, 6463)]