21817376

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 49460544

約数和(自身を除く): 27643168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 563, 692, 1126, 1211, 1384, 2252, 2422, 2768, 3941, 4504, 4844, 5536, 7882, 9008, 9688, 15764, 18016, 19376, 31528, 38752, 63056, 97399, 126112, 194798, 389596, 681793, 779192, 1363586, 1558384, 2727172, 3116768, 5454344, 10908688, 21817376]

約数ペア:

[(1, 21817376), (2, 10908688), (4, 5454344), (7, 3116768), (8, 2727172), (14, 1558384), (16, 1363586), (28, 779192), (32, 681793), (56, 389596), (112, 194798), (173, 126112), (224, 97399), (346, 63056), (563, 38752), (692, 31528), (1126, 19376), (1211, 18016), (1384, 15764), (2252, 9688), (2422, 9008), (2768, 7882), (3941, 5536), (4504, 4844)]