21070278

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61609}}^1$

素因数の和:61636

約数の個数: 24

約数和(自身を含む): 48055800

約数和(自身を除く): 26985522

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61609, 123218, 184827, 369654, 554481, 1108962, 1170571, 2341142, 3511713, 7023426, 10535139, 21070278]

約数ペア:

[(1, 21070278), (2, 10535139), (3, 7023426), (6, 3511713), (9, 2341142), (18, 1170571), (19, 1108962), (38, 554481), (57, 369654), (114, 184827), (171, 123218), (342, 61609)]