21291696

素因数分解:

$2^4\times 3^2\times {\mathrm{147859}}^1$

素因数の和:147873

約数の個数: 30

約数和(自身を含む): 59587580

約数和(自身を除く): 38295884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147859, 295718, 443577, 591436, 887154, 1182872, 1330731, 1774308, 2365744, 2661462, 3548616, 5322924, 7097232, 10645848, 21291696]

約数ペア:

[(1, 21291696), (2, 10645848), (3, 7097232), (4, 5322924), (6, 3548616), (8, 2661462), (9, 2365744), (12, 1774308), (16, 1330731), (18, 1182872), (24, 887154), (36, 591436), (48, 443577), (72, 295718), (144, 147859)]