21711274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 14657366

約数列:

[1, 2, 13, 26, 47, 94, 109, 163, 218, 326, 611, 1222, 1417, 2119, 2834, 4238, 5123, 7661, 10246, 15322, 17767, 35534, 66599, 99593, 133198, 199186, 230971, 461942, 835049, 1670098, 10855637, 21711274]

約数ペア:

[(1, 21711274), (2, 10855637), (13, 1670098), (26, 835049), (47, 461942), (94, 230971), (109, 199186), (163, 133198), (218, 99593), (326, 66599), (611, 35534), (1222, 17767), (1417, 15322), (2119, 10246), (2834, 7661), (4238, 5123)]