21061780496631

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1\times {\mathrm{3867271}}^1$

素因数の和:3868052

約数の個数: 48

約数和(自身を含む): 35077951454208

約数和(自身を除く): 14016170957577

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 631, 959, 1233, 1893, 2877, 4417, 5679, 8631, 13251, 39753, 86447, 259341, 605129, 778023, 1815387, 3867271, 5446161, 11601813, 27070897, 34805439, 81212691, 243638073, 529816127, 1589448381, 2440248001, 3708712889, 4768345143, 7320744003, 11126138667, 17081736007, 21962232009, 33378416001, 51245208021, 153735624063, 334313976137, 1002941928411, 2340197832959, 3008825785233, 7020593498877, 21061780496631]

約数ペア:

[(1, 21061780496631), (3, 7020593498877), (7, 3008825785233), (9, 2340197832959), (21, 1002941928411), (63, 334313976137), (137, 153735624063), (411, 51245208021), (631, 33378416001), (959, 21962232009), (1233, 17081736007), (1893, 11126138667), (2877, 7320744003), (4417, 4768345143), (5679, 3708712889), (8631, 2440248001), (13251, 1589448381), (39753, 529816127), (86447, 243638073), (259341, 81212691), (605129, 34805439), (778023, 27070897), (1815387, 11601813), (3867271, 5446161)]