21778596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86423}}^1$

素因数の和:86440

約数の個数: 36

約数和(自身を含む): 62916672

約数和(自身を除く): 41138076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86423, 172846, 259269, 345692, 518538, 604961, 777807, 1037076, 1209922, 1555614, 1814883, 2419844, 3111228, 3629766, 5444649, 7259532, 10889298, 21778596]

約数ペア:

[(1, 21778596), (2, 10889298), (3, 7259532), (4, 5444649), (6, 3629766), (7, 3111228), (9, 2419844), (12, 1814883), (14, 1555614), (18, 1209922), (21, 1037076), (28, 777807), (36, 604961), (42, 518538), (63, 345692), (84, 259269), (126, 172846), (252, 86423)]