21077784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3249

約数の個数: 96

約数和(自身を含む): 70281120

約数和(自身を除く): 49203336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3217, 3276, 6434, 6552, 9651, 12868, 19302, 22519, 25736, 28953, 38604, 41821, 45038, 57906, 67557, 77208, 83642, 90076, 115812, 125463, 135114, 167284, 180152, 202671, 231624, 250926, 270228, 292747, 334568, 376389, 405342, 501852, 540456, 585494, 752778, 810684, 878241, 1003704, 1170988, 1505556, 1621368, 1756482, 2341976, 2634723, 3011112, 3512964, 5269446, 7025928, 10538892, 21077784]

約数ペア:

[(1, 21077784), (2, 10538892), (3, 7025928), (4, 5269446), (6, 3512964), (7, 3011112), (8, 2634723), (9, 2341976), (12, 1756482), (13, 1621368), (14, 1505556), (18, 1170988), (21, 1003704), (24, 878241), (26, 810684), (28, 752778), (36, 585494), (39, 540456), (42, 501852), (52, 405342), (56, 376389), (63, 334568), (72, 292747), (78, 270228), (84, 250926), (91, 231624), (104, 202671), (117, 180152), (126, 167284), (156, 135114), (168, 125463), (182, 115812), (234, 90076), (252, 83642), (273, 77208), (312, 67557), (364, 57906), (468, 45038), (504, 41821), (546, 38604), (728, 28953), (819, 25736), (936, 22519), (1092, 19302), (1638, 12868), (2184, 9651), (3217, 6552), (3276, 6434)]