21536676

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 108

約数和(自身を含む): 65667420

約数和(自身を除く): 44130744

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 116, 126, 147, 174, 196, 203, 252, 261, 294, 348, 406, 421, 441, 522, 588, 609, 812, 842, 882, 1044, 1218, 1263, 1421, 1684, 1764, 1827, 2436, 2526, 2842, 2947, 3654, 3789, 4263, 5052, 5684, 5894, 7308, 7578, 8526, 8841, 11788, 12209, 12789, 15156, 17052, 17682, 20629, 24418, 25578, 26523, 35364, 36627, 41258, 48836, 51156, 53046, 61887, 73254, 82516, 85463, 106092, 109881, 123774, 146508, 170926, 185661, 219762, 247548, 256389, 341852, 371322, 439524, 512778, 598241, 742644, 769167, 1025556, 1196482, 1538334, 1794723, 2392964, 3076668, 3589446, 5384169, 7178892, 10768338, 21536676]

約数ペア:

[(1, 21536676), (2, 10768338), (3, 7178892), (4, 5384169), (6, 3589446), (7, 3076668), (9, 2392964), (12, 1794723), (14, 1538334), (18, 1196482), (21, 1025556), (28, 769167), (29, 742644), (36, 598241), (42, 512778), (49, 439524), (58, 371322), (63, 341852), (84, 256389), (87, 247548), (98, 219762), (116, 185661), (126, 170926), (147, 146508), (174, 123774), (196, 109881), (203, 106092), (252, 85463), (261, 82516), (294, 73254), (348, 61887), (406, 53046), (421, 51156), (441, 48836), (522, 41258), (588, 36627), (609, 35364), (812, 26523), (842, 25578), (882, 24418), (1044, 20629), (1218, 17682), (1263, 17052), (1421, 15156), (1684, 12789), (1764, 12209), (1827, 11788), (2436, 8841), (2526, 8526), (2842, 7578), (2947, 7308), (3654, 5894), (3789, 5684), (4263, 5052)]