About the Number
21109842
2進数表記:1010000100001110001010010
漢数字表記:二千百十万九千八百四十二
素因数分解:
素因数の和:30095
約数の個数: 32
約数和(自身を含む): 50520960
約数和(自身を除く): 29411118
約数列:
[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30071, 60142, 90213, 180426, 270639, 390923, 541278, 781846, 811917, 1172769, 1623834, 2345538, 3518307, 7036614, 10554921, 21109842]
約数ペア:
[(1, 21109842), (2, 10554921), (3, 7036614), (6, 3518307), (9, 2345538), (13, 1623834), (18, 1172769), (26, 811917), (27, 781846), (39, 541278), (54, 390923), (78, 270639), (117, 180426), (234, 90213), (351, 60142), (702, 30071)]このpageの処理時間: 0.003870725631713867 seconds