21434210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7121}}^1$

素因数の和:7178

約数の個数: 32

約数和(自身を含む): 45124992

約数和(自身を除く): 23690782

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7121, 14242, 35605, 49847, 71210, 99694, 249235, 306203, 498470, 612406, 1531015, 2143421, 3062030, 4286842, 10717105, 21434210]

約数ペア:

[(1, 21434210), (2, 10717105), (5, 4286842), (7, 3062030), (10, 2143421), (14, 1531015), (35, 612406), (43, 498470), (70, 306203), (86, 249235), (215, 99694), (301, 71210), (430, 49847), (602, 35605), (1505, 14242), (3010, 7121)]