21996416

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{13219}}^1$

素因数の和:13246

約数の個数: 32

約数和(自身を含む): 47195400

約数和(自身を除く): 25198984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 13219, 26438, 52876, 105752, 171847, 211504, 343694, 423008, 687388, 846016, 1374776, 1692032, 2749552, 5499104, 10998208, 21996416]

約数ペア:

[(1, 21996416), (2, 10998208), (4, 5499104), (8, 2749552), (13, 1692032), (16, 1374776), (26, 846016), (32, 687388), (52, 423008), (64, 343694), (104, 211504), (128, 171847), (208, 105752), (416, 52876), (832, 26438), (1664, 13219)]