21103698275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{8641}}^1$

素因数の和:8852

約数の個数: 48

約数和(自身を含む): 29164883328

約数和(自身を除く): 8061185053

約数列:

[1, 5, 11, 25, 55, 83, 107, 275, 415, 535, 913, 1177, 2075, 2675, 4565, 5885, 8641, 8881, 22825, 29425, 43205, 44405, 95051, 97691, 216025, 222025, 475255, 488455, 717203, 924587, 2376275, 2442275, 3586015, 4622935, 7889233, 10170457, 17930075, 23114675, 39446165, 50852285, 76740721, 197230825, 254261425, 383703605, 844147931, 1918518025, 4220739655, 21103698275]

約数ペア:

[(1, 21103698275), (5, 4220739655), (11, 1918518025), (25, 844147931), (55, 383703605), (83, 254261425), (107, 197230825), (275, 76740721), (415, 50852285), (535, 39446165), (913, 23114675), (1177, 17930075), (2075, 10170457), (2675, 7889233), (4565, 4622935), (5885, 3586015), (8641, 2442275), (8881, 2376275), (22825, 924587), (29425, 717203), (43205, 488455), (44405, 475255), (95051, 222025), (97691, 216025)]