21147924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251761}}^1$

素因数の和:251775

約数の個数: 24

約数和(自身を含む): 56394688

約数和(自身を除く): 35246764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251761, 503522, 755283, 1007044, 1510566, 1762327, 3021132, 3524654, 5286981, 7049308, 10573962, 21147924]

約数ペア:

[(1, 21147924), (2, 10573962), (3, 7049308), (4, 5286981), (6, 3524654), (7, 3021132), (12, 1762327), (14, 1510566), (21, 1007044), (28, 755283), (42, 503522), (84, 251761)]