21697920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3767}}^1$

素因数の和:3792

約数の個数: 96

約数和(自身を含む): 74945520

約数和(自身を除く): 53247600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3767, 5760, 7534, 11301, 15068, 18835, 22602, 30136, 33903, 37670, 45204, 56505, 60272, 67806, 75340, 90408, 113010, 120544, 135612, 150680, 169515, 180816, 226020, 241088, 271224, 301360, 339030, 361632, 452040, 482176, 542448, 602720, 678060, 723264, 904080, 1084896, 1205440, 1356120, 1446528, 1808160, 2169792, 2410880, 2712240, 3616320, 4339584, 5424480, 7232640, 10848960, 21697920]

約数ペア:

[(1, 21697920), (2, 10848960), (3, 7232640), (4, 5424480), (5, 4339584), (6, 3616320), (8, 2712240), (9, 2410880), (10, 2169792), (12, 1808160), (15, 1446528), (16, 1356120), (18, 1205440), (20, 1084896), (24, 904080), (30, 723264), (32, 678060), (36, 602720), (40, 542448), (45, 482176), (48, 452040), (60, 361632), (64, 339030), (72, 301360), (80, 271224), (90, 241088), (96, 226020), (120, 180816), (128, 169515), (144, 150680), (160, 135612), (180, 120544), (192, 113010), (240, 90408), (288, 75340), (320, 67806), (360, 60272), (384, 56505), (480, 45204), (576, 37670), (640, 33903), (720, 30136), (960, 22602), (1152, 18835), (1440, 15068), (1920, 11301), (2880, 7534), (3767, 5760)]