21361242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3659}}^1$

素因数の和:3810

約数の個数: 32

約数和(自身を含む): 49190400

約数和(自身を除く): 27829158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3659, 5838, 7318, 10977, 21954, 25613, 51226, 76839, 153678, 508601, 1017202, 1525803, 3051606, 3560207, 7120414, 10680621, 21361242]

約数ペア:

[(1, 21361242), (2, 10680621), (3, 7120414), (6, 3560207), (7, 3051606), (14, 1525803), (21, 1017202), (42, 508601), (139, 153678), (278, 76839), (417, 51226), (834, 25613), (973, 21954), (1946, 10977), (2919, 7318), (3659, 5838)]