21031938

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{2711}}^1$

素因数の和:3150

約数の個数: 24

約数和(自身を含む): 45691776

約数和(自身を除く): 24659838

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2586, 2711, 3879, 5422, 7758, 8133, 16266, 24399, 48798, 1168441, 2336882, 3505323, 7010646, 10515969, 21031938]

約数ペア:

[(1, 21031938), (2, 10515969), (3, 7010646), (6, 3505323), (9, 2336882), (18, 1168441), (431, 48798), (862, 24399), (1293, 16266), (2586, 8133), (2711, 7758), (3879, 5422)]