21086938404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83678327}}^1$

素因数の和:83678344

約数の個数: 36

約数和(自身を含む): 60917822784

約数和(自身を除く): 39830884380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83678327, 167356654, 251034981, 334713308, 502069962, 585748289, 753104943, 1004139924, 1171496578, 1506209886, 1757244867, 2342993156, 3012419772, 3514489734, 5271734601, 7028979468, 10543469202, 21086938404]

約数ペア:

[(1, 21086938404), (2, 10543469202), (3, 7028979468), (4, 5271734601), (6, 3514489734), (7, 3012419772), (9, 2342993156), (12, 1757244867), (14, 1506209886), (18, 1171496578), (21, 1004139924), (28, 753104943), (36, 585748289), (42, 502069962), (63, 334713308), (84, 251034981), (126, 167356654), (252, 83678327)]