21743800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8363}}^1$

素因数の和:8392

約数の個数: 48

約数和(自身を含む): 54449640

約数和(自身を除く): 32705840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 8363, 16726, 33452, 41815, 66904, 83630, 108719, 167260, 209075, 217438, 334520, 418150, 434876, 543595, 836300, 869752, 1087190, 1672600, 2174380, 2717975, 4348760, 5435950, 10871900, 21743800]

約数ペア:

[(1, 21743800), (2, 10871900), (4, 5435950), (5, 4348760), (8, 2717975), (10, 2174380), (13, 1672600), (20, 1087190), (25, 869752), (26, 836300), (40, 543595), (50, 434876), (52, 418150), (65, 334520), (100, 217438), (104, 209075), (130, 167260), (200, 108719), (260, 83630), (325, 66904), (520, 41815), (650, 33452), (1300, 16726), (2600, 8363)]