21621677

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14779}}^1$

素因数の和:14816

約数の個数: 16

約数和(自身を含む): 28377600

約数和(自身を除く): 6755923

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14779, 103453, 162569, 280801, 1137983, 1965607, 3088811, 21621677]

約数ペア:

[(1, 21621677), (7, 3088811), (11, 1965607), (19, 1137983), (77, 280801), (133, 162569), (209, 103453), (1463, 14779)]