21779632

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1553

約数の個数: 40

約数和(自身を含む): 48608000

約数和(自身を除く): 26828368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1399, 1946, 2224, 2798, 3892, 5596, 7784, 9793, 11192, 15568, 19586, 22384, 39172, 78344, 156688, 194461, 388922, 777844, 1361227, 1555688, 2722454, 3111376, 5444908, 10889816, 21779632]

約数ペア:

[(1, 21779632), (2, 10889816), (4, 5444908), (7, 3111376), (8, 2722454), (14, 1555688), (16, 1361227), (28, 777844), (56, 388922), (112, 194461), (139, 156688), (278, 78344), (556, 39172), (973, 22384), (1112, 19586), (1399, 15568), (1946, 11192), (2224, 9793), (2798, 7784), (3892, 5596)]