21342782

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 24

約数和(自身を含む): 34012440

約数和(自身を除く): 12669658

約数列:

[1, 2, 29, 53, 58, 106, 131, 262, 1537, 2809, 3074, 3799, 5618, 6943, 7598, 13886, 81461, 162922, 201347, 367979, 402694, 735958, 10671391, 21342782]

約数ペア:

[(1, 21342782), (2, 10671391), (29, 735958), (53, 402694), (58, 367979), (106, 201347), (131, 162922), (262, 81461), (1537, 13886), (2809, 7598), (3074, 6943), (3799, 5618)]