21122981722

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{3583}}^1$

素因数の和:4078

約数の個数: 32

約数和(自身を含む): 32462438400

約数和(自身を除く): 11339456678

約数列:

[1, 2, 73, 146, 149, 271, 298, 542, 3583, 7166, 10877, 19783, 21754, 39566, 40379, 80758, 261559, 523118, 533867, 970993, 1067734, 1941986, 2947667, 5895334, 38972291, 70882489, 77944582, 141764978, 144677957, 289355914, 10561490861, 21122981722]

約数ペア:

[(1, 21122981722), (2, 10561490861), (73, 289355914), (146, 144677957), (149, 141764978), (271, 77944582), (298, 70882489), (542, 38972291), (3583, 5895334), (7166, 2947667), (10877, 1941986), (19783, 1067734), (21754, 970993), (39566, 533867), (40379, 523118), (80758, 261559)]