21417214

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16811}}^1$

素因数の和:16840

約数の個数: 24

約数和(自身を含む): 40247928

約数和(自身を除く): 18830714

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16811, 33622, 117677, 218543, 235354, 437086, 823739, 1529801, 1647478, 3059602, 10708607, 21417214]

約数ペア:

[(1, 21417214), (2, 10708607), (7, 3059602), (13, 1647478), (14, 1529801), (26, 823739), (49, 437086), (91, 235354), (98, 218543), (182, 117677), (637, 33622), (1274, 16811)]