21188596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 46146240

約数和(自身を除く): 24957644

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2179, 2431, 4358, 4862, 8716, 9724, 23969, 28327, 37043, 47938, 56654, 74086, 95876, 113308, 148172, 311597, 407473, 481559, 623194, 814946, 963118, 1246388, 1629892, 1926236, 5297149, 10594298, 21188596]

約数ペア:

[(1, 21188596), (2, 10594298), (4, 5297149), (11, 1926236), (13, 1629892), (17, 1246388), (22, 963118), (26, 814946), (34, 623194), (44, 481559), (52, 407473), (68, 311597), (143, 148172), (187, 113308), (221, 95876), (286, 74086), (374, 56654), (442, 47938), (572, 37043), (748, 28327), (884, 23969), (2179, 9724), (2431, 8716), (4358, 4862)]