21436688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14723}}^1$

素因数の和:14751

約数の個数: 40

約数和(自身を含む): 51121728

約数和(自身を除く): 29685040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14723, 29446, 58892, 103061, 117784, 191399, 206122, 235568, 382798, 412244, 765596, 824488, 1339793, 1531192, 1648976, 2679586, 3062384, 5359172, 10718344, 21436688]

約数ペア:

[(1, 21436688), (2, 10718344), (4, 5359172), (7, 3062384), (8, 2679586), (13, 1648976), (14, 1531192), (16, 1339793), (26, 824488), (28, 765596), (52, 412244), (56, 382798), (91, 235568), (104, 206122), (112, 191399), (182, 117784), (208, 103061), (364, 58892), (728, 29446), (1456, 14723)]