21539068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3559}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 40370400

約数和(自身を除く): 18831332

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3559, 6052, 7118, 14236, 60503, 121006, 242012, 316751, 633502, 1267004, 5384767, 10769534, 21539068]

約数ペア:

[(1, 21539068), (2, 10769534), (4, 5384767), (17, 1267004), (34, 633502), (68, 316751), (89, 242012), (178, 121006), (356, 60503), (1513, 14236), (3026, 7118), (3559, 6052)]