21930128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2351}}^1$

素因数の和:2423

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 25316848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2332, 2351, 4664, 4702, 9328, 9404, 18808, 25861, 37616, 51722, 103444, 124603, 206888, 249206, 413776, 498412, 996824, 1370633, 1993648, 2741266, 5482532, 10965064, 21930128]

約数ペア:

[(1, 21930128), (2, 10965064), (4, 5482532), (8, 2741266), (11, 1993648), (16, 1370633), (22, 996824), (44, 498412), (53, 413776), (88, 249206), (106, 206888), (176, 124603), (212, 103444), (424, 51722), (583, 37616), (848, 25861), (1166, 18808), (2332, 9404), (2351, 9328), (4664, 4702)]