20921754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8443}}^1$

素因数の和:8514

約数の個数: 32

約数和(自身を含む): 48637440

約数和(自身を除く): 27715686

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8443, 16886, 25329, 50658, 59101, 118202, 177303, 354606, 498137, 996274, 1494411, 2988822, 3486959, 6973918, 10460877, 20921754]

約数ペア:

[(1, 20921754), (2, 10460877), (3, 6973918), (6, 3486959), (7, 2988822), (14, 1494411), (21, 996274), (42, 498137), (59, 354606), (118, 177303), (177, 118202), (354, 59101), (413, 50658), (826, 25329), (1239, 16886), (2478, 8443)]