21311706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1373}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 46166400

約数和(自身を除く): 24854694

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1373, 2587, 2746, 4119, 5174, 7761, 8238, 15522, 17849, 35698, 53547, 107094, 273227, 546454, 819681, 1639362, 3551951, 7103902, 10655853, 21311706]

約数ペア:

[(1, 21311706), (2, 10655853), (3, 7103902), (6, 3551951), (13, 1639362), (26, 819681), (39, 546454), (78, 273227), (199, 107094), (398, 53547), (597, 35698), (1194, 17849), (1373, 15522), (2587, 8238), (2746, 7761), (4119, 5174)]