21167368880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5399839}}^1$

素因数の和:5399866

約数の個数: 60

約数和(自身を含む): 57249103680

約数和(自身を除く): 36081734800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5399839, 10799678, 21599356, 26999195, 37798873, 43198712, 53998390, 75597746, 86397424, 107996780, 151195492, 188994365, 215993560, 264592111, 302390984, 377988730, 431987120, 529184222, 604781968, 755977460, 1058368444, 1322960555, 1511954920, 2116736888, 2645921110, 3023909840, 4233473776, 5291842220, 10583684440, 21167368880]

約数ペア:

[(1, 21167368880), (2, 10583684440), (4, 5291842220), (5, 4233473776), (7, 3023909840), (8, 2645921110), (10, 2116736888), (14, 1511954920), (16, 1322960555), (20, 1058368444), (28, 755977460), (35, 604781968), (40, 529184222), (49, 431987120), (56, 377988730), (70, 302390984), (80, 264592111), (98, 215993560), (112, 188994365), (140, 151195492), (196, 107996780), (245, 86397424), (280, 75597746), (392, 53998390), (490, 43198712), (560, 37798873), (784, 26999195), (980, 21599356), (1960, 10799678), (3920, 5399839)]