21568752568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{370801}}^1$

素因数の和:371479

約数の個数: 32

約数和(自身を含む): 44184766320

約数和(自身を除く): 22616013752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 661, 1322, 2644, 5288, 7271, 14542, 29084, 58168, 370801, 741602, 1483204, 2966408, 4078811, 8157622, 16315244, 32630488, 245099461, 490198922, 980397844, 1960795688, 2696094071, 5392188142, 10784376284, 21568752568]

約数ペア:

[(1, 21568752568), (2, 10784376284), (4, 5392188142), (8, 2696094071), (11, 1960795688), (22, 980397844), (44, 490198922), (88, 245099461), (661, 32630488), (1322, 16315244), (2644, 8157622), (5288, 4078811), (7271, 2966408), (14542, 1483204), (29084, 741602), (58168, 370801)]