21730722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12113}}^1$

素因数の和:12154

約数の個数: 32

約数和(自身を含む): 48843648

約数和(自身を除く): 27112926

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 12113, 24226, 36339, 72678, 157469, 278599, 314938, 472407, 557198, 835797, 944814, 1671594, 3621787, 7243574, 10865361, 21730722]

約数ペア:

[(1, 21730722), (2, 10865361), (3, 7243574), (6, 3621787), (13, 1671594), (23, 944814), (26, 835797), (39, 557198), (46, 472407), (69, 314938), (78, 278599), (138, 157469), (299, 72678), (598, 36339), (897, 24226), (1794, 12113)]