21079604

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8273}}^1$

素因数の和:8304

約数の個数: 36

約数和(自身を含む): 46218564

約数和(自身を除く): 25138960

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8273, 16546, 33092, 57911, 107549, 115822, 215098, 231644, 405377, 430196, 752843, 810754, 1505686, 1621508, 3011372, 5269901, 10539802, 21079604]

約数ペア:

[(1, 21079604), (2, 10539802), (4, 5269901), (7, 3011372), (13, 1621508), (14, 1505686), (26, 810754), (28, 752843), (49, 430196), (52, 405377), (91, 231644), (98, 215098), (182, 115822), (196, 107549), (364, 57911), (637, 33092), (1274, 16546), (2548, 8273)]