21381612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13397}}^1$

素因数の和:13430

約数の個数: 48

約数和(自身を含む): 60023040

約数和(自身を除く): 38641428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13397, 26794, 40191, 53588, 80382, 93779, 160764, 187558, 254543, 281337, 375116, 509086, 562674, 763629, 1018172, 1125348, 1527258, 1781801, 3054516, 3563602, 5345403, 7127204, 10690806, 21381612]

約数ペア:

[(1, 21381612), (2, 10690806), (3, 7127204), (4, 5345403), (6, 3563602), (7, 3054516), (12, 1781801), (14, 1527258), (19, 1125348), (21, 1018172), (28, 763629), (38, 562674), (42, 509086), (57, 375116), (76, 281337), (84, 254543), (114, 187558), (133, 160764), (228, 93779), (266, 80382), (399, 53588), (532, 40191), (798, 26794), (1596, 13397)]