21487612

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{751}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 39416832

約数和(自身を除く): 17929220

約数列:

[1, 2, 4, 23, 46, 92, 311, 622, 751, 1244, 1502, 3004, 7153, 14306, 17273, 28612, 34546, 69092, 233561, 467122, 934244, 5371903, 10743806, 21487612]

約数ペア:

[(1, 21487612), (2, 10743806), (4, 5371903), (23, 934244), (46, 467122), (92, 233561), (311, 69092), (622, 34546), (751, 28612), (1244, 17273), (1502, 14306), (3004, 7153)]