21161580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32063}}^1$

素因数の和:32086

約数の個数: 48

約数和(自身を含む): 64641024

約数和(自身を除く): 43479444

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32063, 64126, 96189, 128252, 160315, 192378, 320630, 352693, 384756, 480945, 641260, 705386, 961890, 1058079, 1410772, 1763465, 1923780, 2116158, 3526930, 4232316, 5290395, 7053860, 10580790, 21161580]

約数ペア:

[(1, 21161580), (2, 10580790), (3, 7053860), (4, 5290395), (5, 4232316), (6, 3526930), (10, 2116158), (11, 1923780), (12, 1763465), (15, 1410772), (20, 1058079), (22, 961890), (30, 705386), (33, 641260), (44, 480945), (55, 384756), (60, 352693), (66, 320630), (110, 192378), (132, 160315), (165, 128252), (220, 96189), (330, 64126), (660, 32063)]