21477216

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 60092928

約数和(自身を除く): 38615712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 71, 92, 96, 137, 138, 142, 184, 213, 274, 276, 284, 368, 411, 426, 548, 552, 568, 736, 822, 852, 1096, 1104, 1136, 1633, 1644, 1704, 2192, 2208, 2272, 3151, 3266, 3288, 3408, 4384, 4899, 6302, 6532, 6576, 6816, 9453, 9727, 9798, 12604, 13064, 13152, 18906, 19454, 19596, 25208, 26128, 29181, 37812, 38908, 39192, 50416, 52256, 58362, 75624, 77816, 78384, 100832, 116724, 151248, 155632, 156768, 223721, 233448, 302496, 311264, 447442, 466896, 671163, 894884, 933792, 1342326, 1789768, 2684652, 3579536, 5369304, 7159072, 10738608, 21477216]

約数ペア:

[(1, 21477216), (2, 10738608), (3, 7159072), (4, 5369304), (6, 3579536), (8, 2684652), (12, 1789768), (16, 1342326), (23, 933792), (24, 894884), (32, 671163), (46, 466896), (48, 447442), (69, 311264), (71, 302496), (92, 233448), (96, 223721), (137, 156768), (138, 155632), (142, 151248), (184, 116724), (213, 100832), (274, 78384), (276, 77816), (284, 75624), (368, 58362), (411, 52256), (426, 50416), (548, 39192), (552, 38908), (568, 37812), (736, 29181), (822, 26128), (852, 25208), (1096, 19596), (1104, 19454), (1136, 18906), (1633, 13152), (1644, 13064), (1704, 12604), (2192, 9798), (2208, 9727), (2272, 9453), (3151, 6816), (3266, 6576), (3288, 6532), (3408, 6302), (4384, 4899)]