21246313

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 24825600

約数和(自身を除く): 3579287

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1723, 12331, 18953, 32737, 101657, 360107, 1118227, 1931483, 21246313]

約数ペア:

[(1, 21246313), (11, 1931483), (19, 1118227), (59, 360107), (209, 101657), (649, 32737), (1121, 18953), (1723, 12331)]