21000456824

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1049603}}^1$

素因数の和:1049711

約数の個数: 32

約数和(自身を含む): 40997532240

約数和(自身を除く): 19997075416

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 2501, 5002, 10004, 20008, 1049603, 2099206, 4198412, 8396824, 43033723, 64025783, 86067446, 128051566, 172134892, 256103132, 344269784, 512206264, 2625057103, 5250114206, 10500228412, 21000456824]

約数ペア:

[(1, 21000456824), (2, 10500228412), (4, 5250114206), (8, 2625057103), (41, 512206264), (61, 344269784), (82, 256103132), (122, 172134892), (164, 128051566), (244, 86067446), (328, 64025783), (488, 43033723), (2501, 8396824), (5002, 4198412), (10004, 2099206), (20008, 1049603)]