21177884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 46296768

約数和(自身を除く): 25118884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 797, 949, 1022, 1594, 1898, 2044, 3188, 3796, 5579, 6643, 10361, 11158, 13286, 20722, 22316, 26572, 41444, 58181, 72527, 116362, 145054, 232724, 290108, 407267, 756353, 814534, 1512706, 1629068, 3025412, 5294471, 10588942, 21177884]

約数ペア:

[(1, 21177884), (2, 10588942), (4, 5294471), (7, 3025412), (13, 1629068), (14, 1512706), (26, 814534), (28, 756353), (52, 407267), (73, 290108), (91, 232724), (146, 145054), (182, 116362), (292, 72527), (364, 58181), (511, 41444), (797, 26572), (949, 22316), (1022, 20722), (1594, 13286), (1898, 11158), (2044, 10361), (3188, 6643), (3796, 5579)]