21445314

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 47752320

約数和(自身を除く): 26307006

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 121, 218, 242, 271, 327, 363, 542, 654, 726, 813, 1199, 1626, 2398, 2981, 3597, 5962, 7194, 8943, 13189, 17886, 26378, 29539, 32791, 39567, 59078, 65582, 79134, 88617, 98373, 177234, 196746, 324929, 649858, 974787, 1949574, 3574219, 7148438, 10722657, 21445314]

約数ペア:

[(1, 21445314), (2, 10722657), (3, 7148438), (6, 3574219), (11, 1949574), (22, 974787), (33, 649858), (66, 324929), (109, 196746), (121, 177234), (218, 98373), (242, 88617), (271, 79134), (327, 65582), (363, 59078), (542, 39567), (654, 32791), (726, 29539), (813, 26378), (1199, 17886), (1626, 13189), (2398, 8943), (2981, 7194), (3597, 5962)]