21006156940

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4507759}}^1$

素因数の和:4508001

約数の個数: 24

約数和(自身を含む): 44302265280

約数和(自身を除く): 23296108340

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 4507759, 9015518, 18031036, 22538795, 45077590, 90155180, 1050307847, 2100615694, 4201231388, 5251539235, 10503078470, 21006156940]

約数ペア:

[(1, 21006156940), (2, 10503078470), (4, 5251539235), (5, 4201231388), (10, 2100615694), (20, 1050307847), (233, 90155180), (466, 45077590), (932, 22538795), (1165, 18031036), (2330, 9015518), (4660, 4507759)]