21169746

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90469}}^1$

素因数の和:90490

約数の個数: 24

約数和(自身を含む): 49396620

約数和(自身を除く): 28226874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90469, 180938, 271407, 542814, 814221, 1176097, 1628442, 2352194, 3528291, 7056582, 10584873, 21169746]

約数ペア:

[(1, 21169746), (2, 10584873), (3, 7056582), (6, 3528291), (9, 2352194), (13, 1628442), (18, 1176097), (26, 814221), (39, 542814), (78, 271407), (117, 180938), (234, 90469)]