21066344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8807}}^1$

素因数の和:8849

約数の個数: 32

約数和(自身を含む): 44392320

約数和(自身を除く): 23325976

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8807, 17614, 35228, 70456, 114491, 202561, 228982, 405122, 457964, 810244, 915928, 1620488, 2633293, 5266586, 10533172, 21066344]

約数ペア:

[(1, 21066344), (2, 10533172), (4, 5266586), (8, 2633293), (13, 1620488), (23, 915928), (26, 810244), (46, 457964), (52, 405122), (92, 228982), (104, 202561), (184, 114491), (299, 70456), (598, 35228), (1196, 17614), (2392, 8807)]