21694210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3510

約数の個数: 32

約数和(自身を含む): 42476400

約数和(自身を除く): 20782190

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3449, 6290, 6898, 17245, 34490, 58633, 117266, 127613, 255226, 293165, 586330, 638065, 1276130, 2169421, 4338842, 10847105, 21694210]

約数ペア:

[(1, 21694210), (2, 10847105), (5, 4338842), (10, 2169421), (17, 1276130), (34, 638065), (37, 586330), (74, 293165), (85, 255226), (170, 127613), (185, 117266), (370, 58633), (629, 34490), (1258, 17245), (3145, 6898), (3449, 6290)]