21065918081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{1879}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 23650099200

約数和(自身を除く): 2584181119

約数列:

[1, 13, 47, 59, 311, 611, 767, 1879, 2773, 4043, 14617, 18349, 24427, 36049, 88313, 110861, 190021, 238537, 584369, 862403, 1148069, 1441193, 5210467, 7596797, 11211239, 27465343, 34477771, 67736071, 357049459, 448211023, 1620455237, 21065918081]

約数ペア:

[(1, 21065918081), (13, 1620455237), (47, 448211023), (59, 357049459), (311, 67736071), (611, 34477771), (767, 27465343), (1879, 11211239), (2773, 7596797), (4043, 5210467), (14617, 1441193), (18349, 1148069), (24427, 862403), (36049, 584369), (88313, 238537), (110861, 190021)]