21206230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 40181184

約数和(自身を除く): 18974954

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 673, 685, 1346, 1370, 3151, 3365, 6302, 6730, 15479, 15755, 30958, 31510, 77395, 92201, 154790, 184402, 461005, 922010, 2120623, 4241246, 10603115, 21206230]

約数ペア:

[(1, 21206230), (2, 10603115), (5, 4241246), (10, 2120623), (23, 922010), (46, 461005), (115, 184402), (137, 154790), (230, 92201), (274, 77395), (673, 31510), (685, 30958), (1346, 15755), (1370, 15479), (3151, 6730), (3365, 6302)]