21038244

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1741}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 52678080

約数和(自身を除く): 31639836

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 53, 57, 76, 106, 114, 159, 212, 228, 318, 636, 1007, 1741, 2014, 3021, 3482, 4028, 5223, 6042, 6964, 10446, 12084, 20892, 33079, 66158, 92273, 99237, 132316, 184546, 198474, 276819, 369092, 396948, 553638, 1107276, 1753187, 3506374, 5259561, 7012748, 10519122, 21038244]

約数ペア:

[(1, 21038244), (2, 10519122), (3, 7012748), (4, 5259561), (6, 3506374), (12, 1753187), (19, 1107276), (38, 553638), (53, 396948), (57, 369092), (76, 276819), (106, 198474), (114, 184546), (159, 132316), (212, 99237), (228, 92273), (318, 66158), (636, 33079), (1007, 20892), (1741, 12084), (2014, 10446), (3021, 6964), (3482, 6042), (4028, 5223)]