21869738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 37395648

約数和(自身を除く): 15525910

約数列:

[1, 2, 11, 22, 37, 67, 74, 134, 401, 407, 737, 802, 814, 1474, 2479, 4411, 4958, 8822, 14837, 26867, 27269, 29674, 53734, 54538, 163207, 295537, 326414, 591074, 994079, 1988158, 10934869, 21869738]

約数ペア:

[(1, 21869738), (2, 10934869), (11, 1988158), (22, 994079), (37, 591074), (67, 326414), (74, 295537), (134, 163207), (401, 54538), (407, 53734), (737, 29674), (802, 27269), (814, 26867), (1474, 14837), (2479, 8822), (4411, 4958)]