21568998542

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1500139}}^1$

素因数の和:1500240

約数の個数: 32

約数和(自身を含む): 40323763200

約数和(自身を除く): 18754764658

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 2054, 7189, 14378, 1500139, 3000278, 10500973, 19501807, 21001946, 39003614, 118510981, 136512649, 237021962, 273025298, 829576867, 1540642753, 1659153734, 3081285506, 10784499271, 21568998542]

約数ペア:

[(1, 21568998542), (2, 10784499271), (7, 3081285506), (13, 1659153734), (14, 1540642753), (26, 829576867), (79, 273025298), (91, 237021962), (158, 136512649), (182, 118510981), (553, 39003614), (1027, 21001946), (1106, 19501807), (2054, 10500973), (7189, 3000278), (14378, 1500139)]