21193669900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16302823}}^1$

素因数の和:16302850

約数の個数: 36

約数和(自身を含む): 49527979312

約数和(自身を除く): 28334309412

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16302823, 32605646, 65211292, 81514115, 163028230, 211936699, 326056460, 407570575, 423873398, 815141150, 847746796, 1059683495, 1630282300, 2119366990, 4238733980, 5298417475, 10596834950, 21193669900]

約数ペア:

[(1, 21193669900), (2, 10596834950), (4, 5298417475), (5, 4238733980), (10, 2119366990), (13, 1630282300), (20, 1059683495), (25, 847746796), (26, 815141150), (50, 423873398), (52, 407570575), (65, 326056460), (100, 211936699), (130, 163028230), (260, 81514115), (325, 65211292), (650, 32605646), (1300, 16302823)]