21943119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 12156081

約数列:

[1, 3, 11, 19, 33, 57, 79, 209, 237, 443, 627, 869, 1329, 1501, 2607, 4503, 4873, 8417, 14619, 16511, 25251, 34997, 49533, 92587, 104991, 277761, 384967, 664943, 1154901, 1994829, 7314373, 21943119]

約数ペア:

[(1, 21943119), (3, 7314373), (11, 1994829), (19, 1154901), (33, 664943), (57, 384967), (79, 277761), (209, 104991), (237, 92587), (443, 49533), (627, 34997), (869, 25251), (1329, 16511), (1501, 14619), (2607, 8417), (4503, 4873)]