21553260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7643}}^1$

素因数の和:7702

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 40087956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7643, 15286, 22929, 30572, 38215, 45858, 76430, 91716, 114645, 152860, 229290, 359221, 458580, 718442, 1077663, 1436884, 1796105, 2155326, 3592210, 4310652, 5388315, 7184420, 10776630, 21553260]

約数ペア:

[(1, 21553260), (2, 10776630), (3, 7184420), (4, 5388315), (5, 4310652), (6, 3592210), (10, 2155326), (12, 1796105), (15, 1436884), (20, 1077663), (30, 718442), (47, 458580), (60, 359221), (94, 229290), (141, 152860), (188, 114645), (235, 91716), (282, 76430), (470, 45858), (564, 38215), (705, 30572), (940, 22929), (1410, 15286), (2820, 7643)]