21471180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{797}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 38857620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 797, 898, 1347, 1594, 1796, 2245, 2391, 2694, 3188, 3985, 4490, 4782, 5388, 6735, 7970, 8980, 9564, 11955, 13470, 15940, 23910, 26940, 47820, 357853, 715706, 1073559, 1431412, 1789265, 2147118, 3578530, 4294236, 5367795, 7157060, 10735590, 21471180]

約数ペア:

[(1, 21471180), (2, 10735590), (3, 7157060), (4, 5367795), (5, 4294236), (6, 3578530), (10, 2147118), (12, 1789265), (15, 1431412), (20, 1073559), (30, 715706), (60, 357853), (449, 47820), (797, 26940), (898, 23910), (1347, 15940), (1594, 13470), (1796, 11955), (2245, 9564), (2391, 8980), (2694, 7970), (3188, 6735), (3985, 5388), (4490, 4782)]