21723500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 27809620

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1889, 2300, 2875, 3778, 5750, 7556, 9445, 11500, 18890, 37780, 43447, 47225, 86894, 94450, 173788, 188900, 217235, 236125, 434470, 472250, 868940, 944500, 1086175, 2172350, 4344700, 5430875, 10861750, 21723500]

約数ペア:

[(1, 21723500), (2, 10861750), (4, 5430875), (5, 4344700), (10, 2172350), (20, 1086175), (23, 944500), (25, 868940), (46, 472250), (50, 434470), (92, 236125), (100, 217235), (115, 188900), (125, 173788), (230, 94450), (250, 86894), (460, 47225), (500, 43447), (575, 37780), (1150, 18890), (1889, 11500), (2300, 9445), (2875, 7556), (3778, 5750)]