21000587179

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{4111}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 24952273920

約数和(自身を除く): 3951686741

約数列:

[1, 11, 13, 139, 143, 257, 1529, 1807, 2827, 3341, 4111, 19877, 35723, 36751, 45221, 53443, 392953, 464399, 571429, 587873, 1056527, 5108389, 6285719, 7428577, 11621797, 13734851, 81714347, 146857253, 151083361, 1615429783, 1909144289, 21000587179]

約数ペア:

[(1, 21000587179), (11, 1909144289), (13, 1615429783), (139, 151083361), (143, 146857253), (257, 81714347), (1529, 13734851), (1807, 11621797), (2827, 7428577), (3341, 6285719), (4111, 5108389), (19877, 1056527), (35723, 587873), (36751, 571429), (45221, 464399), (53443, 392953)]