21392624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 45519408

約数和(自身を除く): 24126784

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 617, 788, 1234, 1576, 2167, 2468, 3152, 4334, 4936, 6787, 8668, 9872, 13574, 17336, 27148, 34672, 54296, 108592, 121549, 243098, 486196, 972392, 1337039, 1944784, 2674078, 5348156, 10696312, 21392624]

約数ペア:

[(1, 21392624), (2, 10696312), (4, 5348156), (8, 2674078), (11, 1944784), (16, 1337039), (22, 972392), (44, 486196), (88, 243098), (176, 121549), (197, 108592), (394, 54296), (617, 34672), (788, 27148), (1234, 17336), (1576, 13574), (2167, 9872), (2468, 8668), (3152, 6787), (4334, 4936)]