21327720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{797}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 43023000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 797, 892, 1115, 1338, 1594, 1784, 2230, 2391, 2676, 3188, 3345, 3985, 4460, 4782, 5352, 6376, 6690, 7970, 8920, 9564, 11955, 13380, 15940, 19128, 23910, 26760, 31880, 47820, 95640, 177731, 355462, 533193, 710924, 888655, 1066386, 1421848, 1777310, 2132772, 2665965, 3554620, 4265544, 5331930, 7109240, 10663860, 21327720]

約数ペア:

[(1, 21327720), (2, 10663860), (3, 7109240), (4, 5331930), (5, 4265544), (6, 3554620), (8, 2665965), (10, 2132772), (12, 1777310), (15, 1421848), (20, 1066386), (24, 888655), (30, 710924), (40, 533193), (60, 355462), (120, 177731), (223, 95640), (446, 47820), (669, 31880), (797, 26760), (892, 23910), (1115, 19128), (1338, 15940), (1594, 13380), (1784, 11955), (2230, 9564), (2391, 8920), (2676, 7970), (3188, 6690), (3345, 6376), (3985, 5352), (4460, 4782)]