21223746

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16607}}^1$

素因数の和:16686

約数の個数: 24

約数和(自身を含む): 46635264

約数和(自身を除く): 25411518

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16607, 33214, 49821, 99642, 149463, 298926, 1179097, 2358194, 3537291, 7074582, 10611873, 21223746]

約数ペア:

[(1, 21223746), (2, 10611873), (3, 7074582), (6, 3537291), (9, 2358194), (18, 1179097), (71, 298926), (142, 149463), (213, 99642), (426, 49821), (639, 33214), (1278, 16607)]