213520210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{2179}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 395539200

約数和(自身を除く): 182018990

約数列:

[1, 2, 5, 10, 41, 82, 205, 239, 410, 478, 1195, 2179, 2390, 4358, 9799, 10895, 19598, 21790, 48995, 89339, 97990, 178678, 446695, 520781, 893390, 1041562, 2603905, 5207810, 21352021, 42704042, 106760105, 213520210]

約数ペア:

[(1, 213520210), (2, 106760105), (5, 42704042), (10, 21352021), (41, 5207810), (82, 2603905), (205, 1041562), (239, 893390), (410, 520781), (478, 446695), (1195, 178678), (2179, 97990), (2390, 89339), (4358, 48995), (9799, 21790), (10895, 19598)]