21426456

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{929}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 55409400

約数和(自身を除く): 33982944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 929, 961, 1858, 1922, 2787, 2883, 3716, 3844, 5574, 5766, 7432, 7688, 11148, 11532, 22296, 23064, 28799, 57598, 86397, 115196, 172794, 230392, 345588, 691176, 892769, 1785538, 2678307, 3571076, 5356614, 7142152, 10713228, 21426456]

約数ペア:

[(1, 21426456), (2, 10713228), (3, 7142152), (4, 5356614), (6, 3571076), (8, 2678307), (12, 1785538), (24, 892769), (31, 691176), (62, 345588), (93, 230392), (124, 172794), (186, 115196), (248, 86397), (372, 57598), (744, 28799), (929, 23064), (961, 22296), (1858, 11532), (1922, 11148), (2787, 7688), (2883, 7432), (3716, 5766), (3844, 5574)]