21993088

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13244

約数の個数: 32

約数和(自身を含む): 47188260

約数和(自身を除く): 25195172

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 13217, 26434, 52868, 105736, 171821, 211472, 343642, 422944, 687284, 845888, 1374568, 1691776, 2749136, 5498272, 10996544, 21993088]

約数ペア:

[(1, 21993088), (2, 10996544), (4, 5498272), (8, 2749136), (13, 1691776), (16, 1374568), (26, 845888), (32, 687284), (52, 422944), (64, 343642), (104, 211472), (128, 171821), (208, 105736), (416, 52868), (832, 26434), (1664, 13217)]