21845226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1223}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 25450134

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229, 458, 687, 1223, 1374, 2446, 2977, 3669, 5954, 7338, 8931, 15899, 17862, 31798, 47697, 95394, 280067, 560134, 840201, 1680402, 3640871, 7281742, 10922613, 21845226]

約数ペア:

[(1, 21845226), (2, 10922613), (3, 7281742), (6, 3640871), (13, 1680402), (26, 840201), (39, 560134), (78, 280067), (229, 95394), (458, 47697), (687, 31798), (1223, 17862), (1374, 15899), (2446, 8931), (2977, 7338), (3669, 5954)]