21595400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5683}}^1$

素因数の和:5718

約数の個数: 48

約数和(自身を含む): 52861200

約数和(自身を除く): 31265800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5683, 11366, 22732, 28415, 45464, 56830, 107977, 113660, 142075, 215954, 227320, 284150, 431908, 539885, 568300, 863816, 1079770, 1136600, 2159540, 2699425, 4319080, 5398850, 10797700, 21595400]

約数ペア:

[(1, 21595400), (2, 10797700), (4, 5398850), (5, 4319080), (8, 2699425), (10, 2159540), (19, 1136600), (20, 1079770), (25, 863816), (38, 568300), (40, 539885), (50, 431908), (76, 284150), (95, 227320), (100, 215954), (152, 142075), (190, 113660), (200, 107977), (380, 56830), (475, 45464), (760, 28415), (950, 22732), (1900, 11366), (3800, 5683)]