21996243339

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{344213}}^1$

素因数の和:344419

約数の個数: 32

約数和(自身を含む): 35688107520

約数和(自身を除く): 13691864181

約数列:

[1, 3, 7, 17, 21, 51, 119, 179, 357, 537, 1253, 3043, 3759, 9129, 21301, 63903, 344213, 1032639, 2409491, 5851621, 7228473, 17554863, 40961347, 61614127, 122884041, 184842381, 431298889, 1047440159, 1293896667, 3142320477, 7332081113, 21996243339]

約数ペア:

[(1, 21996243339), (3, 7332081113), (7, 3142320477), (17, 1293896667), (21, 1047440159), (51, 431298889), (119, 184842381), (179, 122884041), (357, 61614127), (537, 40961347), (1253, 17554863), (3043, 7228473), (3759, 5851621), (9129, 2409491), (21301, 1032639), (63903, 344213)]