21611264

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 46357920

約数和(自身を除く): 24746656

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 64, 71, 82, 116, 128, 142, 164, 232, 256, 284, 328, 464, 568, 656, 928, 1136, 1189, 1312, 1856, 2059, 2272, 2378, 2624, 2911, 3712, 4118, 4544, 4756, 5248, 5822, 7424, 8236, 9088, 9512, 10496, 11644, 16472, 18176, 19024, 23288, 32944, 38048, 46576, 65888, 76096, 84419, 93152, 131776, 152192, 168838, 186304, 263552, 304384, 337676, 372608, 527104, 675352, 745216, 1350704, 2701408, 5402816, 10805632, 21611264]

約数ペア:

[(1, 21611264), (2, 10805632), (4, 5402816), (8, 2701408), (16, 1350704), (29, 745216), (32, 675352), (41, 527104), (58, 372608), (64, 337676), (71, 304384), (82, 263552), (116, 186304), (128, 168838), (142, 152192), (164, 131776), (232, 93152), (256, 84419), (284, 76096), (328, 65888), (464, 46576), (568, 38048), (656, 32944), (928, 23288), (1136, 19024), (1189, 18176), (1312, 16472), (1856, 11644), (2059, 10496), (2272, 9512), (2378, 9088), (2624, 8236), (2911, 7424), (3712, 5822), (4118, 5248), (4544, 4756)]