21952760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11677}}^1$

素因数の和:11735

約数の個数: 32

約数和(自身を含む): 50448960

約数和(自身を除く): 28496200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 11677, 23354, 46708, 58385, 93416, 116770, 233540, 467080, 548819, 1097638, 2195276, 2744095, 4390552, 5488190, 10976380, 21952760]

約数ペア:

[(1, 21952760), (2, 10976380), (4, 5488190), (5, 4390552), (8, 2744095), (10, 2195276), (20, 1097638), (40, 548819), (47, 467080), (94, 233540), (188, 116770), (235, 93416), (376, 58385), (470, 46708), (940, 23354), (1880, 11677)]