21872208

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10597}}^1$

素因数の和:10651

約数の個数: 40

約数和(自身を含む): 57822688

約数和(自身を除く): 35950480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10597, 21194, 31791, 42388, 63582, 84776, 127164, 169552, 254328, 455671, 508656, 911342, 1367013, 1822684, 2734026, 3645368, 5468052, 7290736, 10936104, 21872208]

約数ペア:

[(1, 21872208), (2, 10936104), (3, 7290736), (4, 5468052), (6, 3645368), (8, 2734026), (12, 1822684), (16, 1367013), (24, 911342), (43, 508656), (48, 455671), (86, 254328), (129, 169552), (172, 127164), (258, 84776), (344, 63582), (516, 42388), (688, 31791), (1032, 21194), (2064, 10597)]