21064134

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 52383744

約数和(自身を除く): 31319610

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 173, 182, 223, 273, 346, 446, 519, 546, 669, 1038, 1211, 1338, 1561, 2249, 2422, 2899, 3122, 3633, 4498, 4683, 5798, 6747, 7266, 8697, 9366, 13494, 15743, 17394, 20293, 31486, 38579, 40586, 47229, 60879, 77158, 94458, 115737, 121758, 231474, 270053, 501527, 540106, 810159, 1003054, 1504581, 1620318, 3009162, 3510689, 7021378, 10532067, 21064134]

約数ペア:

[(1, 21064134), (2, 10532067), (3, 7021378), (6, 3510689), (7, 3009162), (13, 1620318), (14, 1504581), (21, 1003054), (26, 810159), (39, 540106), (42, 501527), (78, 270053), (91, 231474), (173, 121758), (182, 115737), (223, 94458), (273, 77158), (346, 60879), (446, 47229), (519, 40586), (546, 38579), (669, 31486), (1038, 20293), (1211, 17394), (1338, 15743), (1561, 13494), (2249, 9366), (2422, 8697), (2899, 7266), (3122, 6747), (3633, 5798), (4498, 4683)]