21155928

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{3137}}^1$

素因数の和:3427

約数の個数: 32

約数和(自身を含む): 53094960

約数和(自身を除く): 31939032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3137, 3372, 6274, 6744, 9411, 12548, 18822, 25096, 37644, 75288, 881497, 1762994, 2644491, 3525988, 5288982, 7051976, 10577964, 21155928]

約数ペア:

[(1, 21155928), (2, 10577964), (3, 7051976), (4, 5288982), (6, 3525988), (8, 2644491), (12, 1762994), (24, 881497), (281, 75288), (562, 37644), (843, 25096), (1124, 18822), (1686, 12548), (2248, 9411), (3137, 6744), (3372, 6274)]