21274737

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33931}}^1$

素因数の和:33964

約数の個数: 16

約数和(自身を含む): 32574720

約数和(自身を除く): 11299983

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33931, 101793, 373241, 644689, 1119723, 1934067, 7091579, 21274737]

約数ペア:

[(1, 21274737), (3, 7091579), (11, 1934067), (19, 1119723), (33, 644689), (57, 373241), (209, 101793), (627, 33931)]