21854877

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 12152163

約数列:

[1, 3, 11, 17, 33, 51, 163, 187, 239, 489, 561, 717, 1793, 2629, 2771, 4063, 5379, 7887, 8313, 12189, 30481, 38957, 44693, 91443, 116871, 134079, 428527, 662269, 1285581, 1986807, 7284959, 21854877]

約数ペア:

[(1, 21854877), (3, 7284959), (11, 1986807), (17, 1285581), (33, 662269), (51, 428527), (163, 134079), (187, 116871), (239, 91443), (489, 44693), (561, 38957), (717, 30481), (1793, 12189), (2629, 8313), (2771, 7887), (4063, 5379)]