21828236

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 17586580

約数列:

[1, 2, 4, 41, 82, 164, 167, 334, 668, 797, 1594, 3188, 6847, 13694, 27388, 32677, 65354, 130708, 133099, 266198, 532396, 5457059, 10914118, 21828236]

約数ペア:

[(1, 21828236), (2, 10914118), (4, 5457059), (41, 532396), (82, 266198), (164, 133099), (167, 130708), (334, 65354), (668, 32677), (797, 27388), (1594, 13694), (3188, 6847)]