21839796

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 60828768

約数和(自身を除く): 38988972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 393, 396, 421, 524, 786, 842, 1179, 1263, 1441, 1572, 1684, 2358, 2526, 2882, 3789, 4323, 4631, 4716, 5052, 5764, 7578, 8646, 9262, 12969, 13893, 15156, 17292, 18524, 25938, 27786, 41679, 51876, 55151, 55572, 83358, 110302, 165453, 166716, 220604, 330906, 496359, 606661, 661812, 992718, 1213322, 1819983, 1985436, 2426644, 3639966, 5459949, 7279932, 10919898, 21839796]

約数ペア:

[(1, 21839796), (2, 10919898), (3, 7279932), (4, 5459949), (6, 3639966), (9, 2426644), (11, 1985436), (12, 1819983), (18, 1213322), (22, 992718), (33, 661812), (36, 606661), (44, 496359), (66, 330906), (99, 220604), (131, 166716), (132, 165453), (198, 110302), (262, 83358), (393, 55572), (396, 55151), (421, 51876), (524, 41679), (786, 27786), (842, 25938), (1179, 18524), (1263, 17292), (1441, 15156), (1572, 13893), (1684, 12969), (2358, 9262), (2526, 8646), (2882, 7578), (3789, 5764), (4323, 5052), (4631, 4716)]