21244188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5381}}^1$

素因数の和:5442

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 36623076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5381, 10762, 16143, 21524, 32286, 37667, 64572, 75334, 113001, 150668, 226002, 252907, 452004, 505814, 758721, 1011628, 1517442, 1770349, 3034884, 3540698, 5311047, 7081396, 10622094, 21244188]

約数ペア:

[(1, 21244188), (2, 10622094), (3, 7081396), (4, 5311047), (6, 3540698), (7, 3034884), (12, 1770349), (14, 1517442), (21, 1011628), (28, 758721), (42, 505814), (47, 452004), (84, 252907), (94, 226002), (141, 150668), (188, 113001), (282, 75334), (329, 64572), (564, 37667), (658, 32286), (987, 21524), (1316, 16143), (1974, 10762), (3948, 5381)]