21484892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37561}}^1$

素因数の和:37589

約数の個数: 24

約数和(自身を含む): 44172912

約数和(自身を除く): 22688020

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37561, 75122, 150244, 413171, 488293, 826342, 976586, 1652684, 1953172, 5371223, 10742446, 21484892]

約数ペア:

[(1, 21484892), (2, 10742446), (4, 5371223), (11, 1953172), (13, 1652684), (22, 976586), (26, 826342), (44, 488293), (52, 413171), (143, 150244), (286, 75122), (572, 37561)]