21741636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5507}}^1$

素因数の和:5568

約数の個数: 48

約数和(自身を含む): 59222016

約数和(自身を除く): 37480380

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, 5507, 11014, 16521, 22028, 33042, 38549, 66084, 77098, 115647, 154196, 231294, 258829, 462588, 517658, 776487, 1035316, 1552974, 1811803, 3105948, 3623606, 5435409, 7247212, 10870818, 21741636]

約数ペア:

[(1, 21741636), (2, 10870818), (3, 7247212), (4, 5435409), (6, 3623606), (7, 3105948), (12, 1811803), (14, 1552974), (21, 1035316), (28, 776487), (42, 517658), (47, 462588), (84, 258829), (94, 231294), (141, 154196), (188, 115647), (282, 77098), (329, 66084), (564, 38549), (658, 33042), (987, 22028), (1316, 16521), (1974, 11014), (3948, 5507)]