2021914545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{12829}}^1$

素因数の和:12942

約数の個数: 64

約数和(自身を含む): 3941376000

約数和(自身を除く): 1919461455

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 79, 95, 105, 133, 237, 285, 395, 399, 553, 665, 1185, 1501, 1659, 1995, 2765, 4503, 7505, 8295, 10507, 12829, 22515, 31521, 38487, 52535, 64145, 89803, 157605, 192435, 243751, 269409, 449015, 731253, 1013491, 1218755, 1347045, 1706257, 3040473, 3656265, 5067455, 5118771, 7094437, 8531285, 15202365, 19256329, 21283311, 25593855, 35472185, 57768987, 96281645, 106416555, 134794303, 288844935, 404382909, 673971515, 2021914545]

約数ペア:

[(1, 2021914545), (3, 673971515), (5, 404382909), (7, 288844935), (15, 134794303), (19, 106416555), (21, 96281645), (35, 57768987), (57, 35472185), (79, 25593855), (95, 21283311), (105, 19256329), (133, 15202365), (237, 8531285), (285, 7094437), (395, 5118771), (399, 5067455), (553, 3656265), (665, 3040473), (1185, 1706257), (1501, 1347045), (1659, 1218755), (1995, 1013491), (2765, 731253), (4503, 449015), (7505, 269409), (8295, 243751), (10507, 192435), (12829, 157605), (22515, 89803), (31521, 64145), (38487, 52535)]