21083440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37649}}^1$

素因数の和:37669

約数の個数: 40

約数和(自身を含む): 56023200

約数和(自身を除く): 34939760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37649, 75298, 150596, 188245, 263543, 301192, 376490, 527086, 602384, 752980, 1054172, 1317715, 1505960, 2108344, 2635430, 3011920, 4216688, 5270860, 10541720, 21083440]

約数ペア:

[(1, 21083440), (2, 10541720), (4, 5270860), (5, 4216688), (7, 3011920), (8, 2635430), (10, 2108344), (14, 1505960), (16, 1317715), (20, 1054172), (28, 752980), (35, 602384), (40, 527086), (56, 376490), (70, 301192), (80, 263543), (112, 188245), (140, 150596), (280, 75298), (560, 37649)]