21028944

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15107}}^1$

素因数の和:15147

約数の個数: 40

約数和(自身を含む): 56201760

約数和(自身を除く): 35172816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15107, 30214, 45321, 60428, 90642, 120856, 181284, 241712, 362568, 438103, 725136, 876206, 1314309, 1752412, 2628618, 3504824, 5257236, 7009648, 10514472, 21028944]

約数ペア:

[(1, 21028944), (2, 10514472), (3, 7009648), (4, 5257236), (6, 3504824), (8, 2628618), (12, 1752412), (16, 1314309), (24, 876206), (29, 725136), (48, 438103), (58, 362568), (87, 241712), (116, 181284), (174, 120856), (232, 90642), (348, 60428), (464, 45321), (696, 30214), (1392, 15107)]