21592746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 53726400

約数和(自身を除く): 32133654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 409, 419, 818, 838, 1227, 1257, 2454, 2514, 2863, 2933, 3681, 3771, 5726, 5866, 7362, 7542, 8589, 8799, 17178, 17598, 25767, 26397, 51534, 52794, 171371, 342742, 514113, 1028226, 1199597, 1542339, 2399194, 3084678, 3598791, 7197582, 10796373, 21592746]

約数ペア:

[(1, 21592746), (2, 10796373), (3, 7197582), (6, 3598791), (7, 3084678), (9, 2399194), (14, 1542339), (18, 1199597), (21, 1028226), (42, 514113), (63, 342742), (126, 171371), (409, 52794), (419, 51534), (818, 26397), (838, 25767), (1227, 17598), (1257, 17178), (2454, 8799), (2514, 8589), (2863, 7542), (2933, 7362), (3681, 5866), (3771, 5726)]