21465424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 44896680

約数和(自身を除く): 23431256

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1489, 1802, 2978, 3604, 5956, 7208, 11912, 14416, 23824, 25313, 50626, 78917, 101252, 157834, 202504, 315668, 405008, 631336, 1262672, 1341589, 2683178, 5366356, 10732712, 21465424]

約数ペア:

[(1, 21465424), (2, 10732712), (4, 5366356), (8, 2683178), (16, 1341589), (17, 1262672), (34, 631336), (53, 405008), (68, 315668), (106, 202504), (136, 157834), (212, 101252), (272, 78917), (424, 50626), (848, 25313), (901, 23824), (1489, 14416), (1802, 11912), (2978, 7208), (3604, 5956)]