21810236

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25127}}^1$

素因数の和:25169

約数の個数: 24

約数和(自身を含む): 45029376

約数和(自身を除く): 23219140

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25127, 50254, 100508, 175889, 351778, 703556, 778937, 1557874, 3115748, 5452559, 10905118, 21810236]

約数ペア:

[(1, 21810236), (2, 10905118), (4, 5452559), (7, 3115748), (14, 1557874), (28, 778937), (31, 703556), (62, 351778), (124, 175889), (217, 100508), (434, 50254), (868, 25127)]