21949278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16553}}^1$

素因数の和:16588

約数の個数: 32

約数和(自身を含む): 50059296

約数和(自身を除く): 28110018

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16553, 33106, 49659, 99318, 215189, 281401, 430378, 562802, 645567, 844203, 1291134, 1688406, 3658213, 7316426, 10974639, 21949278]

約数ペア:

[(1, 21949278), (2, 10974639), (3, 7316426), (6, 3658213), (13, 1688406), (17, 1291134), (26, 844203), (34, 645567), (39, 562802), (51, 430378), (78, 281401), (102, 215189), (221, 99318), (442, 49659), (663, 33106), (1326, 16553)]