21746480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38833}}^1$

素因数の和:38853

約数の個数: 40

約数和(自身を含む): 57784992

約数和(自身を除く): 36038512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38833, 77666, 155332, 194165, 271831, 310664, 388330, 543662, 621328, 776660, 1087324, 1359155, 1553320, 2174648, 2718310, 3106640, 4349296, 5436620, 10873240, 21746480]

約数ペア:

[(1, 21746480), (2, 10873240), (4, 5436620), (5, 4349296), (7, 3106640), (8, 2718310), (10, 2174648), (14, 1553320), (16, 1359155), (20, 1087324), (28, 776660), (35, 621328), (40, 543662), (56, 388330), (70, 310664), (80, 271831), (112, 194165), (140, 155332), (280, 77666), (560, 38833)]