21758172

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 52483200

約数和(自身を除く): 30725028

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 149, 172, 258, 283, 298, 447, 516, 566, 596, 849, 894, 1132, 1698, 1788, 3396, 6407, 12169, 12814, 19221, 24338, 25628, 36507, 38442, 42167, 48676, 73014, 76884, 84334, 126501, 146028, 168668, 253002, 506004, 1813181, 3626362, 5439543, 7252724, 10879086, 21758172]

約数ペア:

[(1, 21758172), (2, 10879086), (3, 7252724), (4, 5439543), (6, 3626362), (12, 1813181), (43, 506004), (86, 253002), (129, 168668), (149, 146028), (172, 126501), (258, 84334), (283, 76884), (298, 73014), (447, 48676), (516, 42167), (566, 38442), (596, 36507), (849, 25628), (894, 24338), (1132, 19221), (1698, 12814), (1788, 12169), (3396, 6407)]