21400752

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7309}}^1$

素因数の和:7381

約数の個数: 40

約数和(自身を含む): 56199280

約数和(自身を除く): 34798528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7309, 14618, 21927, 29236, 43854, 58472, 87708, 116944, 175416, 350832, 445849, 891698, 1337547, 1783396, 2675094, 3566792, 5350188, 7133584, 10700376, 21400752]

約数ペア:

[(1, 21400752), (2, 10700376), (3, 7133584), (4, 5350188), (6, 3566792), (8, 2675094), (12, 1783396), (16, 1337547), (24, 891698), (48, 445849), (61, 350832), (122, 175416), (183, 116944), (244, 87708), (366, 58472), (488, 43854), (732, 29236), (976, 21927), (1464, 14618), (2928, 7309)]