21131808776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1\times {\mathrm{3467}}^1$

素因数の和:4158

約数の個数: 64

約数和(自身を含む): 43172438400

約数和(自身を除く): 22040629624

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 569, 824, 1138, 1339, 2276, 2678, 3467, 4552, 5356, 6934, 7397, 10712, 13868, 14794, 27736, 29588, 45071, 58607, 59176, 90142, 117214, 180284, 234428, 357101, 360568, 468856, 714202, 761891, 1428404, 1523782, 1972723, 2856808, 3047564, 3945446, 4642313, 6095128, 7890892, 9284626, 15781784, 18569252, 25645399, 37138504, 51290798, 102581596, 203190469, 205163192, 406380938, 812761876, 1625523752, 2641476097, 5282952194, 10565904388, 21131808776]

約数ペア:

[(1, 21131808776), (2, 10565904388), (4, 5282952194), (8, 2641476097), (13, 1625523752), (26, 812761876), (52, 406380938), (103, 205163192), (104, 203190469), (206, 102581596), (412, 51290798), (569, 37138504), (824, 25645399), (1138, 18569252), (1339, 15781784), (2276, 9284626), (2678, 7890892), (3467, 6095128), (4552, 4642313), (5356, 3945446), (6934, 3047564), (7397, 2856808), (10712, 1972723), (13868, 1523782), (14794, 1428404), (27736, 761891), (29588, 714202), (45071, 468856), (58607, 360568), (59176, 357101), (90142, 234428), (117214, 180284)]