21906822

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 51341040

約数和(自身を除く): 29434218

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 269, 277, 294, 538, 554, 807, 831, 1614, 1662, 1883, 1939, 3766, 3878, 5649, 5817, 11298, 11634, 13181, 13573, 26362, 27146, 39543, 40719, 74513, 79086, 81438, 149026, 223539, 447078, 521591, 1043182, 1564773, 3129546, 3651137, 7302274, 10953411, 21906822]

約数ペア:

[(1, 21906822), (2, 10953411), (3, 7302274), (6, 3651137), (7, 3129546), (14, 1564773), (21, 1043182), (42, 521591), (49, 447078), (98, 223539), (147, 149026), (269, 81438), (277, 79086), (294, 74513), (538, 40719), (554, 39543), (807, 27146), (831, 26362), (1614, 13573), (1662, 13181), (1883, 11634), (1939, 11298), (3766, 5817), (3878, 5649)]