21984454534

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1\times {\mathrm{10139}}^1$

素因数の和:12748

約数の個数: 32

約数和(自身を含む): 38324332800

約数和(自身を除く): 16339878266

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 2539, 5078, 10139, 17773, 20278, 35546, 70973, 141946, 154879, 309758, 618479, 1084153, 1236958, 2168306, 4329353, 8658706, 25742921, 51485842, 180200447, 360400894, 1570318181, 3140636362, 10992227267, 21984454534]

約数ペア:

[(1, 21984454534), (2, 10992227267), (7, 3140636362), (14, 1570318181), (61, 360400894), (122, 180200447), (427, 51485842), (854, 25742921), (2539, 8658706), (5078, 4329353), (10139, 2168306), (17773, 1236958), (20278, 1084153), (35546, 618479), (70973, 309758), (141946, 154879)]