21497636728

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{1697}}^1\times {\mathrm{2339}}^1$

素因数の和:4719

約数の個数: 32

約数和(自身を含む): 40408664400

約数和(自身を除く): 18911027672

約数列:

[1, 2, 4, 8, 677, 1354, 1697, 2339, 2708, 3394, 4678, 5416, 6788, 9356, 13576, 18712, 1148869, 1583503, 2297738, 3167006, 3969283, 4595476, 6334012, 7938566, 9190952, 12668024, 15877132, 31754264, 2687204591, 5374409182, 10748818364, 21497636728]

約数ペア:

[(1, 21497636728), (2, 10748818364), (4, 5374409182), (8, 2687204591), (677, 31754264), (1354, 15877132), (1697, 12668024), (2339, 9190952), (2708, 7938566), (3394, 6334012), (4678, 4595476), (5416, 3969283), (6788, 3167006), (9356, 2297738), (13576, 1583503), (18712, 1148869)]