21818724

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 53079936

約数和(自身を除く): 31261212

約数列:

[1, 2, 3, 4, 6, 12, 41, 61, 82, 122, 123, 164, 183, 244, 246, 366, 492, 727, 732, 1454, 2181, 2501, 2908, 4362, 5002, 7503, 8724, 10004, 15006, 29807, 30012, 44347, 59614, 88694, 89421, 119228, 133041, 177388, 178842, 266082, 357684, 532164, 1818227, 3636454, 5454681, 7272908, 10909362, 21818724]

約数ペア:

[(1, 21818724), (2, 10909362), (3, 7272908), (4, 5454681), (6, 3636454), (12, 1818227), (41, 532164), (61, 357684), (82, 266082), (122, 178842), (123, 177388), (164, 133041), (183, 119228), (244, 89421), (246, 88694), (366, 59614), (492, 44347), (727, 30012), (732, 29807), (1454, 15006), (2181, 10004), (2501, 8724), (2908, 7503), (4362, 5002)]