21235522

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19699}}^1$

素因数の和:19726

約数の個数: 24

約数和(自身を含む): 40424400

約数和(自身を除く): 19188878

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19699, 39398, 137893, 216689, 275786, 433378, 965251, 1516823, 1930502, 3033646, 10617761, 21235522]

約数ペア:

[(1, 21235522), (2, 10617761), (7, 3033646), (11, 1930502), (14, 1516823), (22, 965251), (49, 433378), (77, 275786), (98, 216689), (154, 137893), (539, 39398), (1078, 19699)]