21877884

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 96

約数和(自身を含む): 66429440

約数和(自身を除く): 44551556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 673, 756, 774, 903, 1161, 1204, 1346, 1548, 1806, 2019, 2322, 2692, 2709, 3612, 4038, 4644, 4711, 5418, 6057, 8076, 8127, 9422, 10836, 12114, 14133, 16254, 18171, 18844, 24228, 28266, 28939, 32508, 36342, 42399, 56532, 57878, 72684, 84798, 86817, 115756, 127197, 169596, 173634, 202573, 254394, 260451, 347268, 405146, 508788, 520902, 607719, 781353, 810292, 1041804, 1215438, 1562706, 1823157, 2430876, 3125412, 3646314, 5469471, 7292628, 10938942, 21877884]

約数ペア:

[(1, 21877884), (2, 10938942), (3, 7292628), (4, 5469471), (6, 3646314), (7, 3125412), (9, 2430876), (12, 1823157), (14, 1562706), (18, 1215438), (21, 1041804), (27, 810292), (28, 781353), (36, 607719), (42, 520902), (43, 508788), (54, 405146), (63, 347268), (84, 260451), (86, 254394), (108, 202573), (126, 173634), (129, 169596), (172, 127197), (189, 115756), (252, 86817), (258, 84798), (301, 72684), (378, 57878), (387, 56532), (516, 42399), (602, 36342), (673, 32508), (756, 28939), (774, 28266), (903, 24228), (1161, 18844), (1204, 18171), (1346, 16254), (1548, 14133), (1806, 12114), (2019, 10836), (2322, 9422), (2692, 8127), (2709, 8076), (3612, 6057), (4038, 5418), (4644, 4711)]