21093914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1427}}^1$

素因数の和:1837

約数の個数: 16

約数和(自身を含む): 33415200

約数和(自身を除く): 12321286

約数列:

[1, 2, 19, 38, 389, 778, 1427, 2854, 7391, 14782, 27113, 54226, 555103, 1110206, 10546957, 21093914]

約数ペア:

[(1, 21093914), (2, 10546957), (19, 1110206), (38, 555103), (389, 54226), (778, 27113), (1427, 14782), (2854, 7391)]