21120088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2243}}^1$

素因数の和:2367

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 22503272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2243, 2354, 4486, 4708, 8972, 9416, 17944, 24673, 49346, 98692, 197384, 240001, 480002, 960004, 1920008, 2640011, 5280022, 10560044, 21120088]

約数ペア:

[(1, 21120088), (2, 10560044), (4, 5280022), (8, 2640011), (11, 1920008), (22, 960004), (44, 480002), (88, 240001), (107, 197384), (214, 98692), (428, 49346), (856, 24673), (1177, 17944), (2243, 9416), (2354, 8972), (4486, 4708)]