21643202

素因数分解:

$2^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1106

約数の個数: 24

約数和(自身を含む): 37951740

約数和(自身を除く): 16308538

約数列:

[1, 2, 7, 14, 49, 98, 269, 538, 821, 1642, 1883, 3766, 5747, 11494, 13181, 26362, 40229, 80458, 220849, 441698, 1545943, 3091886, 10821601, 21643202]

約数ペア:

[(1, 21643202), (2, 10821601), (7, 3091886), (14, 1545943), (49, 441698), (98, 220849), (269, 80458), (538, 40229), (821, 26362), (1642, 13181), (1883, 11494), (3766, 5747)]