21828898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 42964992

約数和(自身を除く): 21136094

約数列:

[1, 2, 7, 13, 14, 26, 31, 53, 62, 73, 91, 106, 146, 182, 217, 371, 403, 434, 511, 689, 742, 806, 949, 1022, 1378, 1643, 1898, 2263, 2821, 3286, 3869, 4526, 4823, 5642, 6643, 7738, 9646, 11501, 13286, 15841, 21359, 23002, 27083, 29419, 31682, 42718, 50297, 54166, 58838, 100594, 119939, 149513, 205933, 239878, 299026, 352079, 411866, 704158, 839573, 1559207, 1679146, 3118414, 10914449, 21828898]

約数ペア:

[(1, 21828898), (2, 10914449), (7, 3118414), (13, 1679146), (14, 1559207), (26, 839573), (31, 704158), (53, 411866), (62, 352079), (73, 299026), (91, 239878), (106, 205933), (146, 149513), (182, 119939), (217, 100594), (371, 58838), (403, 54166), (434, 50297), (511, 42718), (689, 31682), (742, 29419), (806, 27083), (949, 23002), (1022, 21359), (1378, 15841), (1643, 13286), (1898, 11501), (2263, 9646), (2821, 7738), (3286, 6643), (3869, 5642), (4526, 4823)]