21642736

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{1759}}^1$

素因数の和:2536

約数の個数: 20

約数和(自身を含む): 42011200

約数和(自身を除く): 20368464

約数列:

[1, 2, 4, 8, 16, 769, 1538, 1759, 3076, 3518, 6152, 7036, 12304, 14072, 28144, 1352671, 2705342, 5410684, 10821368, 21642736]

約数ペア:

[(1, 21642736), (2, 10821368), (4, 5410684), (8, 2705342), (16, 1352671), (769, 28144), (1538, 14072), (1759, 12304), (3076, 7036), (3518, 6152)]