21754084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 22759196

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 127, 187, 229, 254, 374, 458, 508, 748, 916, 1397, 2159, 2519, 2794, 3893, 4318, 5038, 5588, 7786, 8636, 10076, 15572, 23749, 29083, 42823, 47498, 58166, 85646, 94996, 116332, 171292, 319913, 494411, 639826, 988822, 1279652, 1977644, 5438521, 10877042, 21754084]

約数ペア:

[(1, 21754084), (2, 10877042), (4, 5438521), (11, 1977644), (17, 1279652), (22, 988822), (34, 639826), (44, 494411), (68, 319913), (127, 171292), (187, 116332), (229, 94996), (254, 85646), (374, 58166), (458, 47498), (508, 42823), (748, 29083), (916, 23749), (1397, 15572), (2159, 10076), (2519, 8636), (2794, 7786), (3893, 5588), (4318, 5038)]