21756558

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 46166400

約数和(自身を除く): 24409842

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 139, 278, 417, 834, 1373, 2641, 2746, 4119, 5282, 7923, 8238, 15846, 26087, 52174, 78261, 156522, 190847, 381694, 572541, 1145082, 3626093, 7252186, 10878279, 21756558]

約数ペア:

[(1, 21756558), (2, 10878279), (3, 7252186), (6, 3626093), (19, 1145082), (38, 572541), (57, 381694), (114, 190847), (139, 156522), (278, 78261), (417, 52174), (834, 26087), (1373, 15846), (2641, 8238), (2746, 7923), (4119, 5282)]