21904930

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 40538880

約数和(自身を除く): 18633950

約数列:

[1, 2, 5, 10, 59, 118, 137, 271, 274, 295, 542, 590, 685, 1355, 1370, 2710, 8083, 15989, 16166, 31978, 37127, 40415, 74254, 79945, 80830, 159890, 185635, 371270, 2190493, 4380986, 10952465, 21904930]

約数ペア:

[(1, 21904930), (2, 10952465), (5, 4380986), (10, 2190493), (59, 371270), (118, 185635), (137, 159890), (271, 80830), (274, 79945), (295, 74254), (542, 40415), (590, 37127), (685, 31978), (1355, 16166), (1370, 15989), (2710, 8083)]