21681715509

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{5051}}^1$

素因数の和:5402

約数の個数: 48

約数和(自身を含む): 33195277440

約数和(自身を除く): 11513561931

約数列:

[1, 3, 9, 23, 69, 89, 207, 233, 267, 699, 801, 2047, 2097, 5051, 5359, 6141, 15153, 16077, 18423, 20737, 45459, 48231, 62211, 116173, 186633, 348519, 449539, 476951, 1045557, 1176883, 1348617, 1430853, 3530649, 4045851, 4292559, 10339397, 10591947, 27068309, 31018191, 81204927, 93054573, 104742587, 243614781, 314227761, 942683283, 2409079501, 7227238503, 21681715509]

約数ペア:

[(1, 21681715509), (3, 7227238503), (9, 2409079501), (23, 942683283), (69, 314227761), (89, 243614781), (207, 104742587), (233, 93054573), (267, 81204927), (699, 31018191), (801, 27068309), (2047, 10591947), (2097, 10339397), (5051, 4292559), (5359, 4045851), (6141, 3530649), (15153, 1430853), (16077, 1348617), (18423, 1176883), (20737, 1045557), (45459, 476951), (48231, 449539), (62211, 348519), (116173, 186633)]