21530712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128159}}^1$

素因数の和:128175

約数の個数: 32

約数和(自身を含む): 61516800

約数和(自身を除く): 39986088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128159, 256318, 384477, 512636, 768954, 897113, 1025272, 1537908, 1794226, 2691339, 3075816, 3588452, 5382678, 7176904, 10765356, 21530712]

約数ペア:

[(1, 21530712), (2, 10765356), (3, 7176904), (4, 5382678), (6, 3588452), (7, 3075816), (8, 2691339), (12, 1794226), (14, 1537908), (21, 1025272), (24, 897113), (28, 768954), (42, 512636), (56, 384477), (84, 256318), (168, 128159)]