21167691680

素因数分解:

$2^5\times 5^1\times {\mathrm{823}}^1\times {\mathrm{160751}}^1$

素因数の和:161589

約数の個数: 48

約数和(自身を含む): 50069746944

約数和(自身を除く): 28902055264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 823, 1646, 3292, 4115, 6584, 8230, 13168, 16460, 26336, 32920, 65840, 131680, 160751, 321502, 643004, 803755, 1286008, 1607510, 2572016, 3215020, 5144032, 6430040, 12860080, 25720160, 132298073, 264596146, 529192292, 661490365, 1058384584, 1322980730, 2116769168, 2645961460, 4233538336, 5291922920, 10583845840, 21167691680]

約数ペア:

[(1, 21167691680), (2, 10583845840), (4, 5291922920), (5, 4233538336), (8, 2645961460), (10, 2116769168), (16, 1322980730), (20, 1058384584), (32, 661490365), (40, 529192292), (80, 264596146), (160, 132298073), (823, 25720160), (1646, 12860080), (3292, 6430040), (4115, 5144032), (6584, 3215020), (8230, 2572016), (13168, 1607510), (16460, 1286008), (26336, 803755), (32920, 643004), (65840, 321502), (131680, 160751)]