21575268

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 66734080

約数和(自身を除く): 45158812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 121, 127, 132, 143, 156, 198, 234, 242, 254, 286, 297, 351, 363, 381, 396, 429, 468, 484, 508, 572, 594, 702, 726, 762, 858, 1089, 1143, 1188, 1287, 1397, 1404, 1452, 1524, 1573, 1651, 1716, 2178, 2286, 2574, 2794, 3146, 3267, 3302, 3429, 3861, 4191, 4356, 4572, 4719, 4953, 5148, 5588, 6292, 6534, 6604, 6858, 7722, 8382, 9438, 9906, 12573, 13068, 13716, 14157, 14859, 15367, 15444, 16764, 18161, 18876, 19812, 25146, 28314, 29718, 30734, 36322, 37719, 42471, 44577, 46101, 50292, 54483, 56628, 59436, 61468, 72644, 75438, 84942, 89154, 92202, 108966, 138303, 150876, 163449, 169884, 178308, 184404, 199771, 217932, 276606, 326898, 399542, 414909, 490347, 553212, 599313, 653796, 799084, 829818, 980694, 1198626, 1659636, 1797939, 1961388, 2397252, 3595878, 5393817, 7191756, 10787634, 21575268]

約数ペア:

[(1, 21575268), (2, 10787634), (3, 7191756), (4, 5393817), (6, 3595878), (9, 2397252), (11, 1961388), (12, 1797939), (13, 1659636), (18, 1198626), (22, 980694), (26, 829818), (27, 799084), (33, 653796), (36, 599313), (39, 553212), (44, 490347), (52, 414909), (54, 399542), (66, 326898), (78, 276606), (99, 217932), (108, 199771), (117, 184404), (121, 178308), (127, 169884), (132, 163449), (143, 150876), (156, 138303), (198, 108966), (234, 92202), (242, 89154), (254, 84942), (286, 75438), (297, 72644), (351, 61468), (363, 59436), (381, 56628), (396, 54483), (429, 50292), (468, 46101), (484, 44577), (508, 42471), (572, 37719), (594, 36322), (702, 30734), (726, 29718), (762, 28314), (858, 25146), (1089, 19812), (1143, 18876), (1188, 18161), (1287, 16764), (1397, 15444), (1404, 15367), (1452, 14859), (1524, 14157), (1573, 13716), (1651, 13068), (1716, 12573), (2178, 9906), (2286, 9438), (2574, 8382), (2794, 7722), (3146, 6858), (3267, 6604), (3302, 6534), (3429, 6292), (3861, 5588), (4191, 5148), (4356, 4953), (4572, 4719)]