21131584

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10651}}^1$

素因数の和:10694

約数の個数: 28

約数和(自身を含む): 43289728

約数和(自身を除く): 22158144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10651, 21302, 42604, 85208, 170416, 330181, 340832, 660362, 681664, 1320724, 2641448, 5282896, 10565792, 21131584]

約数ペア:

[(1, 21131584), (2, 10565792), (4, 5282896), (8, 2641448), (16, 1320724), (31, 681664), (32, 660362), (62, 340832), (64, 330181), (124, 170416), (248, 85208), (496, 42604), (992, 21302), (1984, 10651)]