21086724

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{28807}}^1$

素因数の和:28875

約数の個数: 24

約数和(自身を含む): 50010688

約数和(自身を除く): 28923964

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28807, 57614, 86421, 115228, 172842, 345684, 1757227, 3514454, 5271681, 7028908, 10543362, 21086724]

約数ペア:

[(1, 21086724), (2, 10543362), (3, 7028908), (4, 5271681), (6, 3514454), (12, 1757227), (61, 345684), (122, 172842), (183, 115228), (244, 86421), (366, 57614), (732, 28807)]