21069944

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1499}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 24290056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1499, 1757, 2008, 2998, 3514, 5996, 7028, 10493, 11992, 14056, 20986, 41972, 83944, 376249, 752498, 1504996, 2633743, 3009992, 5267486, 10534972, 21069944]

約数ペア:

[(1, 21069944), (2, 10534972), (4, 5267486), (7, 3009992), (8, 2633743), (14, 1504996), (28, 752498), (56, 376249), (251, 83944), (502, 41972), (1004, 20986), (1499, 14056), (1757, 11992), (2008, 10493), (2998, 7028), (3514, 5996)]