2021981220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1604747}}^1$

素因数の和:1604769

約数の個数: 72

約数和(自身を含む): 7009539264

約数和(自身を除く): 4987558044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1604747, 3209494, 4814241, 6418988, 8023735, 9628482, 11233229, 14442723, 16047470, 19256964, 22466458, 24071205, 28885446, 32094940, 33699687, 44932916, 48142410, 56166145, 57770892, 67399374, 72213615, 96284820, 101099061, 112332290, 134798748, 144427230, 168498435, 202198122, 224664580, 288854460, 336996870, 404396244, 505495305, 673993740, 1010990610, 2021981220]

約数ペア:

[(1, 2021981220), (2, 1010990610), (3, 673993740), (4, 505495305), (5, 404396244), (6, 336996870), (7, 288854460), (9, 224664580), (10, 202198122), (12, 168498435), (14, 144427230), (15, 134798748), (18, 112332290), (20, 101099061), (21, 96284820), (28, 72213615), (30, 67399374), (35, 57770892), (36, 56166145), (42, 48142410), (45, 44932916), (60, 33699687), (63, 32094940), (70, 28885446), (84, 24071205), (90, 22466458), (105, 19256964), (126, 16047470), (140, 14442723), (180, 11233229), (210, 9628482), (252, 8023735), (315, 6418988), (420, 4814241), (630, 3209494), (1260, 1604747)]