21684572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 47877312

約数和(自身を除く): 26192740

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1453, 2132, 2906, 3731, 5812, 7462, 10171, 14924, 18889, 20342, 37778, 40684, 59573, 75556, 119146, 132223, 238292, 264446, 417011, 528892, 774449, 834022, 1548898, 1668044, 3097796, 5421143, 10842286, 21684572]

約数ペア:

[(1, 21684572), (2, 10842286), (4, 5421143), (7, 3097796), (13, 1668044), (14, 1548898), (26, 834022), (28, 774449), (41, 528892), (52, 417011), (82, 264446), (91, 238292), (164, 132223), (182, 119146), (287, 75556), (364, 59573), (533, 40684), (574, 37778), (1066, 20342), (1148, 18889), (1453, 14924), (2132, 10171), (2906, 7462), (3731, 5812)]