21152802814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{331663}}^1$

素因数の和:331912

約数の個数: 32

約数和(自身を含む): 37443538944

約数和(自身を除く): 16290736130

約数列:

[1, 2, 11, 13, 22, 26, 143, 223, 286, 446, 2453, 2899, 4906, 5798, 31889, 63778, 331663, 663326, 3648293, 4311619, 7296586, 8623238, 47427809, 73960849, 94855618, 147921698, 813569339, 961491037, 1627138678, 1922982074, 10576401407, 21152802814]

約数ペア:

[(1, 21152802814), (2, 10576401407), (11, 1922982074), (13, 1627138678), (22, 961491037), (26, 813569339), (143, 147921698), (223, 94855618), (286, 73960849), (446, 47427809), (2453, 8623238), (2899, 7296586), (4906, 4311619), (5798, 3648293), (31889, 663326), (63778, 331663)]