21913628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3583}}^1$

素因数の和:3737

約数の個数: 24

約数和(自身を含む): 42147840

約数和(自身を除く): 20234212

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3583, 6116, 7166, 14332, 39413, 78826, 157652, 498037, 996074, 1992148, 5478407, 10956814, 21913628]

約数ペア:

[(1, 21913628), (2, 10956814), (4, 5478407), (11, 1992148), (22, 996074), (44, 498037), (139, 157652), (278, 78826), (556, 39413), (1529, 14332), (3058, 7166), (3583, 6116)]