21937680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30469}}^1$

素因数の和:30488

約数の個数: 60

約数和(自身を含む): 73676460

約数和(自身を除く): 51738780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30469, 60938, 91407, 121876, 152345, 182814, 243752, 274221, 304690, 365628, 457035, 487504, 548442, 609380, 731256, 914070, 1096884, 1218760, 1371105, 1462512, 1828140, 2193768, 2437520, 2742210, 3656280, 4387536, 5484420, 7312560, 10968840, 21937680]

約数ペア:

[(1, 21937680), (2, 10968840), (3, 7312560), (4, 5484420), (5, 4387536), (6, 3656280), (8, 2742210), (9, 2437520), (10, 2193768), (12, 1828140), (15, 1462512), (16, 1371105), (18, 1218760), (20, 1096884), (24, 914070), (30, 731256), (36, 609380), (40, 548442), (45, 487504), (48, 457035), (60, 365628), (72, 304690), (80, 274221), (90, 243752), (120, 182814), (144, 152345), (180, 121876), (240, 91407), (360, 60938), (720, 30469)]