21129108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1797

約数の個数: 96

約数和(自身を含む): 66232320

約数和(自身を除く): 45103212

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1759, 2002, 3003, 3518, 4004, 5277, 6006, 7036, 10554, 12012, 12313, 19349, 21108, 22867, 24626, 36939, 38698, 45734, 49252, 58047, 68601, 73878, 77396, 91468, 116094, 135443, 137202, 147756, 160069, 232188, 251537, 270886, 274404, 320138, 406329, 480207, 503074, 541772, 640276, 754611, 812658, 960414, 1006148, 1509222, 1625316, 1760759, 1920828, 3018444, 3521518, 5282277, 7043036, 10564554, 21129108]

約数ペア:

[(1, 21129108), (2, 10564554), (3, 7043036), (4, 5282277), (6, 3521518), (7, 3018444), (11, 1920828), (12, 1760759), (13, 1625316), (14, 1509222), (21, 1006148), (22, 960414), (26, 812658), (28, 754611), (33, 640276), (39, 541772), (42, 503074), (44, 480207), (52, 406329), (66, 320138), (77, 274404), (78, 270886), (84, 251537), (91, 232188), (132, 160069), (143, 147756), (154, 137202), (156, 135443), (182, 116094), (231, 91468), (273, 77396), (286, 73878), (308, 68601), (364, 58047), (429, 49252), (462, 45734), (546, 38698), (572, 36939), (858, 24626), (924, 22867), (1001, 21108), (1092, 19349), (1716, 12313), (1759, 12012), (2002, 10554), (3003, 7036), (3518, 6006), (4004, 5277)]