21330272

素因数分解:

$2^5\times {\mathrm{239}}^1\times {\mathrm{2789}}^1$

素因数の和:3038

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 20854528

約数列:

[1, 2, 4, 8, 16, 32, 239, 478, 956, 1912, 2789, 3824, 5578, 7648, 11156, 22312, 44624, 89248, 666571, 1333142, 2666284, 5332568, 10665136, 21330272]

約数ペア:

[(1, 21330272), (2, 10665136), (4, 5332568), (8, 2666284), (16, 1333142), (32, 666571), (239, 89248), (478, 44624), (956, 22312), (1912, 11156), (2789, 7648), (3824, 5578)]