21053396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57839}}^1$

素因数の和:57863

約数の個数: 24

約数和(自身を含む): 45346560

約数和(自身を除く): 24293164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57839, 115678, 231356, 404873, 751907, 809746, 1503814, 1619492, 3007628, 5263349, 10526698, 21053396]

約数ペア:

[(1, 21053396), (2, 10526698), (4, 5263349), (7, 3007628), (13, 1619492), (14, 1503814), (26, 809746), (28, 751907), (52, 404873), (91, 231356), (182, 115678), (364, 57839)]