21936369

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{883}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 36884016

約数和(自身を除く): 14947647

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 883, 1183, 1911, 2649, 3549, 6181, 8281, 11479, 18543, 24843, 34437, 43267, 80353, 129801, 149227, 241059, 447681, 562471, 1044589, 1687413, 3133767, 7312123, 21936369]

約数ペア:

[(1, 21936369), (3, 7312123), (7, 3133767), (13, 1687413), (21, 1044589), (39, 562471), (49, 447681), (91, 241059), (147, 149227), (169, 129801), (273, 80353), (507, 43267), (637, 34437), (883, 24843), (1183, 18543), (1911, 11479), (2649, 8281), (3549, 6181)]