21723534

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3253}}^1$

素因数の和:3321

約数の個数: 48

約数和(自身を含む): 54823392

約数和(自身を除く): 33099858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3253, 3339, 6506, 6678, 9759, 19518, 22771, 29277, 45542, 58554, 68313, 136626, 172409, 204939, 344818, 409878, 517227, 1034454, 1206863, 1551681, 2413726, 3103362, 3620589, 7241178, 10861767, 21723534]

約数ペア:

[(1, 21723534), (2, 10861767), (3, 7241178), (6, 3620589), (7, 3103362), (9, 2413726), (14, 1551681), (18, 1206863), (21, 1034454), (42, 517227), (53, 409878), (63, 344818), (106, 204939), (126, 172409), (159, 136626), (318, 68313), (371, 58554), (477, 45542), (742, 29277), (954, 22771), (1113, 19518), (2226, 9759), (3253, 6678), (3339, 6506)]