21000948007

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{7039}}^1$

素因数の和:7375

約数の個数: 32

約数和(自身を含む): 24411340800

約数和(自身を除く): 3410392793

約数列:

[1, 13, 19, 47, 247, 257, 611, 893, 3341, 4883, 7039, 11609, 12079, 63479, 91507, 133741, 157027, 229501, 330833, 1738633, 1809023, 2983513, 4300829, 6285827, 23517299, 34371437, 81715751, 85024081, 446828681, 1105313053, 1615457539, 21000948007]

約数ペア:

[(1, 21000948007), (13, 1615457539), (19, 1105313053), (47, 446828681), (247, 85024081), (257, 81715751), (611, 34371437), (893, 23517299), (3341, 6285827), (4883, 4300829), (7039, 2983513), (11609, 1809023), (12079, 1738633), (63479, 330833), (91507, 229501), (133741, 157027)]