20210778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{160403}}^1$

素因数の和:160418

約数の個数: 24

約数和(自身を含む): 50046048

約数和(自身を除く): 29835270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 160403, 320806, 481209, 962418, 1122821, 1443627, 2245642, 2887254, 3368463, 6736926, 10105389, 20210778]

約数ペア:

[(1, 20210778), (2, 10105389), (3, 6736926), (6, 3368463), (7, 2887254), (9, 2245642), (14, 1443627), (18, 1122821), (21, 962418), (42, 481209), (63, 320806), (126, 160403)]