21708656

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{12007}}^1$

素因数の和:12128

約数の個数: 20

約数和(自身を含む): 42436272

約数和(自身を除く): 20727616

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 12007, 24014, 48028, 96056, 192112, 1356791, 2713582, 5427164, 10854328, 21708656]

約数ペア:

[(1, 21708656), (2, 10854328), (4, 5427164), (8, 2713582), (16, 1356791), (113, 192112), (226, 96056), (452, 48028), (904, 24014), (1808, 12007)]