21082077

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 34245120

約数和(自身を除く): 13163043

約数列:

[1, 3, 9, 19, 31, 41, 57, 93, 97, 123, 171, 279, 291, 369, 589, 779, 873, 1271, 1767, 1843, 2337, 3007, 3813, 3977, 5301, 5529, 7011, 9021, 11439, 11931, 16587, 24149, 27063, 35793, 57133, 72447, 75563, 123287, 171399, 217341, 226689, 369861, 514197, 680067, 1109583, 2342453, 7027359, 21082077]

約数ペア:

[(1, 21082077), (3, 7027359), (9, 2342453), (19, 1109583), (31, 680067), (41, 514197), (57, 369861), (93, 226689), (97, 217341), (123, 171399), (171, 123287), (279, 75563), (291, 72447), (369, 57133), (589, 35793), (779, 27063), (873, 24149), (1271, 16587), (1767, 11931), (1843, 11439), (2337, 9021), (3007, 7011), (3813, 5529), (3977, 5301)]