21424286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 16207714

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1399, 2798, 7657, 15314, 18187, 26581, 36374, 43369, 53162, 86738, 345553, 563797, 691106, 824011, 1127594, 1648022, 10712143, 21424286]

約数ペア:

[(1, 21424286), (2, 10712143), (13, 1648022), (19, 1127594), (26, 824011), (31, 691106), (38, 563797), (62, 345553), (247, 86738), (403, 53162), (494, 43369), (589, 36374), (806, 26581), (1178, 18187), (1399, 15314), (2798, 7657)]