21896920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23801}}^1$

素因数の和:23835

約数の個数: 32

約数和(自身を含む): 51412320

約数和(自身を除く): 29515400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23801, 47602, 95204, 119005, 190408, 238010, 476020, 547423, 952040, 1094846, 2189692, 2737115, 4379384, 5474230, 10948460, 21896920]

約数ペア:

[(1, 21896920), (2, 10948460), (4, 5474230), (5, 4379384), (8, 2737115), (10, 2189692), (20, 1094846), (23, 952040), (40, 547423), (46, 476020), (92, 238010), (115, 190408), (184, 119005), (230, 95204), (460, 47602), (920, 23801)]