21750871718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{251159}}^1$

素因数の和:251276

約数の個数: 32

約数和(自身を含む): 35805369600

約数和(自身を除く): 14054497882

約数列:

[1, 2, 19, 38, 43, 53, 86, 106, 817, 1007, 1634, 2014, 2279, 4558, 43301, 86602, 251159, 502318, 4772021, 9544042, 10799837, 13311427, 21599674, 26622854, 205196903, 252917113, 410393806, 505834226, 572391361, 1144782722, 10875435859, 21750871718]

約数ペア:

[(1, 21750871718), (2, 10875435859), (19, 1144782722), (38, 572391361), (43, 505834226), (53, 410393806), (86, 252917113), (106, 205196903), (817, 26622854), (1007, 21599674), (1634, 13311427), (2014, 10799837), (2279, 9544042), (4558, 4772021), (43301, 502318), (86602, 251159)]