21061992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 60526080

約数和(自身を除く): 39464088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 283, 443, 566, 849, 886, 1132, 1329, 1698, 1772, 1981, 2264, 2658, 3101, 3396, 3544, 3962, 5316, 5943, 6202, 6792, 7924, 9303, 10632, 11886, 12404, 15848, 18606, 23772, 24808, 37212, 47544, 74424, 125369, 250738, 376107, 501476, 752214, 877583, 1002952, 1504428, 1755166, 2632749, 3008856, 3510332, 5265498, 7020664, 10530996, 21061992]

約数ペア:

[(1, 21061992), (2, 10530996), (3, 7020664), (4, 5265498), (6, 3510332), (7, 3008856), (8, 2632749), (12, 1755166), (14, 1504428), (21, 1002952), (24, 877583), (28, 752214), (42, 501476), (56, 376107), (84, 250738), (168, 125369), (283, 74424), (443, 47544), (566, 37212), (849, 24808), (886, 23772), (1132, 18606), (1329, 15848), (1698, 12404), (1772, 11886), (1981, 10632), (2264, 9303), (2658, 7924), (3101, 6792), (3396, 6202), (3544, 5943), (3962, 5316)]