21363412

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 45561600

約数和(自身を除く): 24198188

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 644, 677, 686, 1127, 1354, 1372, 2254, 2708, 4508, 4739, 7889, 9478, 15571, 15778, 18956, 31142, 31556, 33173, 62284, 66346, 108997, 132692, 217994, 232211, 435988, 464422, 762979, 928844, 1525958, 3051916, 5340853, 10681706, 21363412]

約数ペア:

[(1, 21363412), (2, 10681706), (4, 5340853), (7, 3051916), (14, 1525958), (23, 928844), (28, 762979), (46, 464422), (49, 435988), (92, 232211), (98, 217994), (161, 132692), (196, 108997), (322, 66346), (343, 62284), (644, 33173), (677, 31556), (686, 31142), (1127, 18956), (1354, 15778), (1372, 15571), (2254, 9478), (2708, 7889), (4508, 4739)]