21794911180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1\times {\mathrm{1709}}^1$

素因数の和:3079

約数の個数: 96

約数和(自身を含む): 53116922880

約数和(自身を除く): 31322011700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1283, 1420, 1709, 1988, 2485, 2566, 3418, 4970, 5132, 6415, 6836, 8545, 8981, 9940, 11963, 12830, 17090, 17962, 23926, 25660, 34180, 35924, 44905, 47852, 59815, 89810, 91093, 119630, 121339, 179620, 182186, 239260, 242678, 364372, 455465, 485356, 606695, 637651, 849373, 910930, 1213390, 1275302, 1698746, 1821860, 2192647, 2426780, 2550604, 3188255, 3397492, 4246865, 4385294, 6376510, 8493730, 8770588, 10963235, 12753020, 15348529, 16987460, 21926470, 30697058, 43852940, 61394116, 76742645, 153485290, 155677937, 306970580, 311355874, 622711748, 778389685, 1089745559, 1556779370, 2179491118, 3113558740, 4358982236, 5448727795, 10897455590, 21794911180]

約数ペア:

[(1, 21794911180), (2, 10897455590), (4, 5448727795), (5, 4358982236), (7, 3113558740), (10, 2179491118), (14, 1556779370), (20, 1089745559), (28, 778389685), (35, 622711748), (70, 311355874), (71, 306970580), (140, 155677937), (142, 153485290), (284, 76742645), (355, 61394116), (497, 43852940), (710, 30697058), (994, 21926470), (1283, 16987460), (1420, 15348529), (1709, 12753020), (1988, 10963235), (2485, 8770588), (2566, 8493730), (3418, 6376510), (4970, 4385294), (5132, 4246865), (6415, 3397492), (6836, 3188255), (8545, 2550604), (8981, 2426780), (9940, 2192647), (11963, 1821860), (12830, 1698746), (17090, 1275302), (17962, 1213390), (23926, 910930), (25660, 849373), (34180, 637651), (35924, 606695), (44905, 485356), (47852, 455465), (59815, 364372), (89810, 242678), (91093, 239260), (119630, 182186), (121339, 179620)]