21124560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88019}}^1$

素因数の和:88035

約数の個数: 40

約数和(自身を含む): 65486880

約数和(自身を除く): 44362320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88019, 176038, 264057, 352076, 440095, 528114, 704152, 880190, 1056228, 1320285, 1408304, 1760380, 2112456, 2640570, 3520760, 4224912, 5281140, 7041520, 10562280, 21124560]

約数ペア:

[(1, 21124560), (2, 10562280), (3, 7041520), (4, 5281140), (5, 4224912), (6, 3520760), (8, 2640570), (10, 2112456), (12, 1760380), (15, 1408304), (16, 1320285), (20, 1056228), (24, 880190), (30, 704152), (40, 528114), (48, 440095), (60, 352076), (80, 264057), (120, 176038), (240, 88019)]