21295208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2719}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 22768792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2719, 3916, 5438, 7832, 10876, 21752, 29909, 59818, 119636, 239272, 241991, 483982, 967964, 1935928, 2661901, 5323802, 10647604, 21295208]

約数ペア:

[(1, 21295208), (2, 10647604), (4, 5323802), (8, 2661901), (11, 1935928), (22, 967964), (44, 483982), (88, 241991), (89, 239272), (178, 119636), (356, 59818), (712, 29909), (979, 21752), (1958, 10876), (2719, 7832), (3916, 5438)]