21148592

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 22107568

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 569, 808, 1138, 1616, 2276, 2323, 4552, 4646, 9104, 9292, 13087, 18584, 26174, 37168, 52348, 57469, 104696, 114938, 209392, 229876, 459752, 919504, 1321787, 2643574, 5287148, 10574296, 21148592]

約数ペア:

[(1, 21148592), (2, 10574296), (4, 5287148), (8, 2643574), (16, 1321787), (23, 919504), (46, 459752), (92, 229876), (101, 209392), (184, 114938), (202, 104696), (368, 57469), (404, 52348), (569, 37168), (808, 26174), (1138, 18584), (1616, 13087), (2276, 9292), (2323, 9104), (4552, 4646)]