21533032

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6581}}^1$

素因数の和:6996

約数の個数: 16

約数和(自身を含む): 40479300

約数和(自身を除く): 18946268

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6581, 13162, 26324, 52648, 2691629, 5383258, 10766516, 21533032]

約数ペア:

[(1, 21533032), (2, 10766516), (4, 5383258), (8, 2691629), (409, 52648), (818, 26324), (1636, 13162), (3272, 6581)]