21000638877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{277643}}^1$

素因数の和:278992

約数の個数: 16

約数和(自身を含む): 29496898560

約数和(自身を除く): 8496259683

約数列:

[1, 3, 19, 57, 1327, 3981, 25213, 75639, 277643, 832929, 5275217, 15825651, 368432261, 1105296783, 7000212959, 21000638877]

約数ペア:

[(1, 21000638877), (3, 7000212959), (19, 1105296783), (57, 368432261), (1327, 15825651), (3981, 5275217), (25213, 832929), (75639, 277643)]