21386742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14431}}^1$

素因数の和:14468

約数の個数: 32

約数和(自身を含む): 48491520

約数和(自身を除く): 27104778

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 14431, 28862, 43293, 86586, 187603, 274189, 375206, 548378, 562809, 822567, 1125618, 1645134, 3564457, 7128914, 10693371, 21386742]

約数ペア:

[(1, 21386742), (2, 10693371), (3, 7128914), (6, 3564457), (13, 1645134), (19, 1125618), (26, 822567), (38, 562809), (39, 548378), (57, 375206), (78, 274189), (114, 187603), (247, 86586), (494, 43293), (741, 28862), (1482, 14431)]