21900564

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 66124800

約数和(自身を除く): 44224236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 59, 63, 84, 108, 118, 126, 177, 189, 236, 252, 354, 378, 413, 491, 531, 708, 756, 826, 982, 1062, 1239, 1473, 1593, 1652, 1964, 2124, 2478, 2946, 3186, 3437, 3717, 4419, 4956, 5892, 6372, 6874, 7434, 8838, 10311, 11151, 13257, 13748, 14868, 17676, 20622, 22302, 26514, 28969, 30933, 41244, 44604, 53028, 57938, 61866, 86907, 92799, 115876, 123732, 173814, 185598, 202783, 260721, 347628, 371196, 405566, 521442, 608349, 782163, 811132, 1042884, 1216698, 1564326, 1825047, 2433396, 3128652, 3650094, 5475141, 7300188, 10950282, 21900564]

約数ペア:

[(1, 21900564), (2, 10950282), (3, 7300188), (4, 5475141), (6, 3650094), (7, 3128652), (9, 2433396), (12, 1825047), (14, 1564326), (18, 1216698), (21, 1042884), (27, 811132), (28, 782163), (36, 608349), (42, 521442), (54, 405566), (59, 371196), (63, 347628), (84, 260721), (108, 202783), (118, 185598), (126, 173814), (177, 123732), (189, 115876), (236, 92799), (252, 86907), (354, 61866), (378, 57938), (413, 53028), (491, 44604), (531, 41244), (708, 30933), (756, 28969), (826, 26514), (982, 22302), (1062, 20622), (1239, 17676), (1473, 14868), (1593, 13748), (1652, 13257), (1964, 11151), (2124, 10311), (2478, 8838), (2946, 7434), (3186, 6874), (3437, 6372), (3717, 5892), (4419, 4956)]