21100168

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 41371200

約数和(自身を除く): 20271032

約数列:

[1, 2, 4, 8, 29, 58, 103, 116, 206, 232, 412, 824, 883, 1766, 2987, 3532, 5974, 7064, 11948, 23896, 25607, 51214, 90949, 102428, 181898, 204856, 363796, 727592, 2637521, 5275042, 10550084, 21100168]

約数ペア:

[(1, 21100168), (2, 10550084), (4, 5275042), (8, 2637521), (29, 727592), (58, 363796), (103, 204856), (116, 181898), (206, 102428), (232, 90949), (412, 51214), (824, 25607), (883, 23896), (1766, 11948), (2987, 7064), (3532, 5974)]