21597952

素因数分解:

$2^8\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 43414560

約数和(自身を除く): 21816608

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 353, 478, 706, 956, 1412, 1912, 2824, 3824, 5648, 7648, 11296, 15296, 22592, 30592, 45184, 61184, 84367, 90368, 168734, 337468, 674936, 1349872, 2699744, 5399488, 10798976, 21597952]

約数ペア:

[(1, 21597952), (2, 10798976), (4, 5399488), (8, 2699744), (16, 1349872), (32, 674936), (64, 337468), (128, 168734), (239, 90368), (256, 84367), (353, 61184), (478, 45184), (706, 30592), (956, 22592), (1412, 15296), (1912, 11296), (2824, 7648), (3824, 5648)]