21747536

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12703}}^1$

素因数の和:12818

約数の個数: 20

約数和(自身を含む): 42532992

約数和(自身を除く): 20785456

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12703, 25406, 50812, 101624, 203248, 1359221, 2718442, 5436884, 10873768, 21747536]

約数ペア:

[(1, 21747536), (2, 10873768), (4, 5436884), (8, 2718442), (16, 1359221), (107, 203248), (214, 101624), (428, 50812), (856, 25406), (1712, 12703)]