21000906384

素因数分解:

$2^4\times 3^1\times {\mathrm{3463}}^1\times {\mathrm{126341}}^1$

素因数の和:129815

約数の個数: 40

約数和(自身を含む): 54268437312

約数和(自身を除く): 33267530928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 3463, 6926, 10389, 13852, 20778, 27704, 41556, 55408, 83112, 126341, 166224, 252682, 379023, 505364, 758046, 1010728, 1516092, 2021456, 3032184, 6064368, 437518883, 875037766, 1312556649, 1750075532, 2625113298, 3500151064, 5250226596, 7000302128, 10500453192, 21000906384]

約数ペア:

[(1, 21000906384), (2, 10500453192), (3, 7000302128), (4, 5250226596), (6, 3500151064), (8, 2625113298), (12, 1750075532), (16, 1312556649), (24, 875037766), (48, 437518883), (3463, 6064368), (6926, 3032184), (10389, 2021456), (13852, 1516092), (20778, 1010728), (27704, 758046), (41556, 505364), (55408, 379023), (83112, 252682), (126341, 166224)]