21494886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10889}}^1$

素因数の和:10948

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 28686234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10889, 21778, 32667, 65334, 76223, 152446, 228669, 457338, 511783, 1023566, 1535349, 3070698, 3582481, 7164962, 10747443, 21494886]

約数ペア:

[(1, 21494886), (2, 10747443), (3, 7164962), (6, 3582481), (7, 3070698), (14, 1535349), (21, 1023566), (42, 511783), (47, 457338), (94, 228669), (141, 152446), (282, 76223), (329, 65334), (658, 32667), (987, 21778), (1974, 10889)]