21072772

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5051}}^1$

素因数の和:5211

約数の個数: 24

約数和(自身を含む): 42436800

約数和(自身を除く): 21364028

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5051, 10102, 20204, 35357, 70714, 141428, 752599, 1505198, 3010396, 5268193, 10536386, 21072772]

約数ペア:

[(1, 21072772), (2, 10536386), (4, 5268193), (7, 3010396), (14, 1505198), (28, 752599), (149, 141428), (298, 70714), (596, 35357), (1043, 20204), (2086, 10102), (4172, 5051)]