21041202

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 52496640

約数和(自身を除く): 31455438

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 267, 273, 433, 534, 546, 623, 866, 1157, 1246, 1299, 1869, 2314, 2598, 3031, 3471, 3738, 5629, 6062, 6942, 8099, 9093, 11258, 16198, 16887, 18186, 24297, 33774, 38537, 39403, 48594, 77074, 78806, 115611, 118209, 231222, 236418, 269759, 500981, 539518, 809277, 1001962, 1502943, 1618554, 3005886, 3506867, 7013734, 10520601, 21041202]

約数ペア:

[(1, 21041202), (2, 10520601), (3, 7013734), (6, 3506867), (7, 3005886), (13, 1618554), (14, 1502943), (21, 1001962), (26, 809277), (39, 539518), (42, 500981), (78, 269759), (89, 236418), (91, 231222), (178, 118209), (182, 115611), (267, 78806), (273, 77074), (433, 48594), (534, 39403), (546, 38537), (623, 33774), (866, 24297), (1157, 18186), (1246, 16887), (1299, 16198), (1869, 11258), (2314, 9093), (2598, 8099), (3031, 6942), (3471, 6062), (3738, 5629)]