21056068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 21521852

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 62, 86, 124, 172, 341, 359, 473, 682, 718, 946, 1333, 1364, 1436, 1892, 2666, 3949, 5332, 7898, 11129, 14663, 15437, 15796, 22258, 29326, 30874, 44516, 58652, 61748, 122419, 169807, 244838, 339614, 478547, 489676, 679228, 957094, 1914188, 5264017, 10528034, 21056068]

約数ペア:

[(1, 21056068), (2, 10528034), (4, 5264017), (11, 1914188), (22, 957094), (31, 679228), (43, 489676), (44, 478547), (62, 339614), (86, 244838), (124, 169807), (172, 122419), (341, 61748), (359, 58652), (473, 44516), (682, 30874), (718, 29326), (946, 22258), (1333, 15796), (1364, 15437), (1436, 14663), (1892, 11129), (2666, 7898), (3949, 5332)]