21388338

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{62539}}^1$

素因数の和:62566

約数の個数: 24

約数和(自身を含む): 48781200

約数和(自身を除く): 27392862

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 62539, 125078, 187617, 375234, 562851, 1125702, 1188241, 2376482, 3564723, 7129446, 10694169, 21388338]

約数ペア:

[(1, 21388338), (2, 10694169), (3, 7129446), (6, 3564723), (9, 2376482), (18, 1188241), (19, 1125702), (38, 562851), (57, 375234), (114, 187617), (171, 125078), (342, 62539)]