21740082

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1427

約数の個数: 64

約数和(自身を含む): 55399680

約数和(自身を除く): 33659598

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1373, 2262, 2639, 2746, 4119, 5278, 7917, 8238, 9611, 15834, 17849, 19222, 28833, 35698, 39817, 53547, 57666, 79634, 107094, 119451, 124943, 238902, 249886, 278719, 374829, 517621, 557438, 749658, 836157, 1035242, 1552863, 1672314, 3105726, 3623347, 7246694, 10870041, 21740082]

約数ペア:

[(1, 21740082), (2, 10870041), (3, 7246694), (6, 3623347), (7, 3105726), (13, 1672314), (14, 1552863), (21, 1035242), (26, 836157), (29, 749658), (39, 557438), (42, 517621), (58, 374829), (78, 278719), (87, 249886), (91, 238902), (174, 124943), (182, 119451), (203, 107094), (273, 79634), (377, 57666), (406, 53547), (546, 39817), (609, 35698), (754, 28833), (1131, 19222), (1218, 17849), (1373, 15834), (2262, 9611), (2639, 8238), (2746, 7917), (4119, 5278)]