21211146484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{6221}}^1\times {\mathrm{77491}}^1$

素因数の和:83727

約数の個数: 24

約数和(自身を含む): 40501038816

約数和(自身を除く): 19289892332

約数列:

[1, 2, 4, 11, 22, 44, 6221, 12442, 24884, 68431, 77491, 136862, 154982, 273724, 309964, 852401, 1704802, 3409604, 482071511, 964143022, 1928286044, 5302786621, 10605573242, 21211146484]

約数ペア:

[(1, 21211146484), (2, 10605573242), (4, 5302786621), (11, 1928286044), (22, 964143022), (44, 482071511), (6221, 3409604), (12442, 1704802), (24884, 852401), (68431, 309964), (77491, 273724), (136862, 154982)]