21508000

素因数分解:

$2^5\times 5^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 55823040

約数和(自身を除く): 34315040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 283, 304, 380, 400, 475, 500, 566, 608, 760, 800, 950, 1000, 1132, 1415, 1520, 1900, 2000, 2264, 2375, 2830, 3040, 3800, 4000, 4528, 4750, 5377, 5660, 7075, 7600, 9056, 9500, 10754, 11320, 14150, 15200, 19000, 21508, 22640, 26885, 28300, 35375, 38000, 43016, 45280, 53770, 56600, 70750, 76000, 86032, 107540, 113200, 134425, 141500, 172064, 215080, 226400, 268850, 283000, 430160, 537700, 566000, 672125, 860320, 1075400, 1132000, 1344250, 2150800, 2688500, 4301600, 5377000, 10754000, 21508000]

約数ペア:

[(1, 21508000), (2, 10754000), (4, 5377000), (5, 4301600), (8, 2688500), (10, 2150800), (16, 1344250), (19, 1132000), (20, 1075400), (25, 860320), (32, 672125), (38, 566000), (40, 537700), (50, 430160), (76, 283000), (80, 268850), (95, 226400), (100, 215080), (125, 172064), (152, 141500), (160, 134425), (190, 113200), (200, 107540), (250, 86032), (283, 76000), (304, 70750), (380, 56600), (400, 53770), (475, 45280), (500, 43016), (566, 38000), (608, 35375), (760, 28300), (800, 26885), (950, 22640), (1000, 21508), (1132, 19000), (1415, 15200), (1520, 14150), (1900, 11320), (2000, 10754), (2264, 9500), (2375, 9056), (2830, 7600), (3040, 7075), (3800, 5660), (4000, 5377), (4528, 4750)]