21146528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50833}}^1$

素因数の和:50856

約数の個数: 24

約数和(自身を含む): 44835588

約数和(自身を除く): 23689060

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50833, 101666, 203332, 406664, 660829, 813328, 1321658, 1626656, 2643316, 5286632, 10573264, 21146528]

約数ペア:

[(1, 21146528), (2, 10573264), (4, 5286632), (8, 2643316), (13, 1626656), (16, 1321658), (26, 813328), (32, 660829), (52, 406664), (104, 203332), (208, 101666), (416, 50833)]