21327394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 36837504

約数和(自身を除く): 15510110

約数列:

[1, 2, 11, 22, 23, 46, 113, 226, 253, 373, 506, 746, 1243, 2486, 2599, 4103, 5198, 8206, 8579, 17158, 28589, 42149, 57178, 84298, 94369, 188738, 463639, 927278, 969427, 1938854, 10663697, 21327394]

約数ペア:

[(1, 21327394), (2, 10663697), (11, 1938854), (22, 969427), (23, 927278), (46, 463639), (113, 188738), (226, 94369), (253, 84298), (373, 57178), (506, 42149), (746, 28589), (1243, 17158), (2486, 8579), (2599, 8206), (4103, 5198)]