21086445736

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{971}}^1\times {\mathrm{17977}}^1$

素因数の和:19105

約数の個数: 32

約数和(自身を含む): 39842124480

約数和(自身を除く): 18755678744

約数列:

[1, 2, 4, 8, 151, 302, 604, 971, 1208, 1942, 3884, 7768, 17977, 35954, 71908, 143816, 146621, 293242, 586484, 1172968, 2714527, 5429054, 10858108, 17455667, 21716216, 34911334, 69822668, 139645336, 2635805717, 5271611434, 10543222868, 21086445736]

約数ペア:

[(1, 21086445736), (2, 10543222868), (4, 5271611434), (8, 2635805717), (151, 139645336), (302, 69822668), (604, 34911334), (971, 21716216), (1208, 17455667), (1942, 10858108), (3884, 5429054), (7768, 2714527), (17977, 1172968), (35954, 586484), (71908, 293242), (143816, 146621)]