21167295540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{533719}}^1$

素因数の和:534392

約数の個数: 48

約数和(自身を含む): 59358203520

約数和(自身を除く): 38190907980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2644, 3305, 3966, 6610, 7932, 9915, 13220, 19830, 39660, 533719, 1067438, 1601157, 2134876, 2668595, 3202314, 5337190, 6404628, 8005785, 10674380, 16011570, 32023140, 352788259, 705576518, 1058364777, 1411153036, 1763941295, 2116729554, 3527882590, 4233459108, 5291823885, 7055765180, 10583647770, 21167295540]

約数ペア:

[(1, 21167295540), (2, 10583647770), (3, 7055765180), (4, 5291823885), (5, 4233459108), (6, 3527882590), (10, 2116729554), (12, 1763941295), (15, 1411153036), (20, 1058364777), (30, 705576518), (60, 352788259), (661, 32023140), (1322, 16011570), (1983, 10674380), (2644, 8005785), (3305, 6404628), (3966, 5337190), (6610, 3202314), (7932, 2668595), (9915, 2134876), (13220, 1601157), (19830, 1067438), (39660, 533719)]