21165452

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9817}}^1$

素因数の和:9846

約数の個数: 36

約数和(自身を含む): 47008584

約数和(自身を除く): 25843132

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9817, 19634, 39268, 68719, 107987, 137438, 215974, 274876, 431948, 481033, 755909, 962066, 1511818, 1924132, 3023636, 5291363, 10582726, 21165452]

約数ペア:

[(1, 21165452), (2, 10582726), (4, 5291363), (7, 3023636), (11, 1924132), (14, 1511818), (22, 962066), (28, 755909), (44, 481033), (49, 431948), (77, 274876), (98, 215974), (154, 137438), (196, 107987), (308, 68719), (539, 39268), (1078, 19634), (2156, 9817)]