21158533

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3517307

約数列:

[1, 11, 19, 67, 209, 737, 1273, 1511, 14003, 16621, 28709, 101237, 315799, 1113607, 1923503, 21158533]

約数ペア:

[(1, 21158533), (11, 1923503), (19, 1113607), (67, 315799), (209, 101237), (737, 28709), (1273, 16621), (1511, 14003)]