21938868

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12437}}^1$

素因数の和:12461

約数の個数: 54

約数和(自身を含む): 64515906

約数和(自身を除く): 42577038

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12437, 24874, 37311, 49748, 74622, 87059, 111933, 149244, 174118, 223866, 261177, 348236, 447732, 522354, 609413, 783531, 1044708, 1218826, 1567062, 1828239, 2437652, 3134124, 3656478, 5484717, 7312956, 10969434, 21938868]

約数ペア:

[(1, 21938868), (2, 10969434), (3, 7312956), (4, 5484717), (6, 3656478), (7, 3134124), (9, 2437652), (12, 1828239), (14, 1567062), (18, 1218826), (21, 1044708), (28, 783531), (36, 609413), (42, 522354), (49, 447732), (63, 348236), (84, 261177), (98, 223866), (126, 174118), (147, 149244), (196, 111933), (252, 87059), (294, 74622), (441, 49748), (588, 37311), (882, 24874), (1764, 12437)]