21957120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{953}}^1$

素因数の和:982

約数の個数: 120

約数和(自身を含む): 76123476

約数和(自身を除く): 54166356

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, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 953, 960, 1152, 1280, 1440, 1536, 1906, 1920, 2304, 2560, 2859, 2880, 3812, 3840, 4608, 4765, 5718, 5760, 7624, 7680, 8577, 9530, 11436, 11520, 14295, 15248, 17154, 19060, 22872, 23040, 28590, 30496, 34308, 38120, 42885, 45744, 57180, 60992, 68616, 76240, 85770, 91488, 114360, 121984, 137232, 152480, 171540, 182976, 228720, 243968, 274464, 304960, 343080, 365952, 457440, 487936, 548928, 609920, 686160, 731904, 914880, 1097856, 1219840, 1372320, 1463808, 1829760, 2195712, 2439680, 2744640, 3659520, 4391424, 5489280, 7319040, 10978560, 21957120]

約数ペア:

[(1, 21957120), (2, 10978560), (3, 7319040), (4, 5489280), (5, 4391424), (6, 3659520), (8, 2744640), (9, 2439680), (10, 2195712), (12, 1829760), (15, 1463808), (16, 1372320), (18, 1219840), (20, 1097856), (24, 914880), (30, 731904), (32, 686160), (36, 609920), (40, 548928), (45, 487936), (48, 457440), (60, 365952), (64, 343080), (72, 304960), (80, 274464), (90, 243968), (96, 228720), (120, 182976), (128, 171540), (144, 152480), (160, 137232), (180, 121984), (192, 114360), (240, 91488), (256, 85770), (288, 76240), (320, 68616), (360, 60992), (384, 57180), (480, 45744), (512, 42885), (576, 38120), (640, 34308), (720, 30496), (768, 28590), (953, 23040), (960, 22872), (1152, 19060), (1280, 17154), (1440, 15248), (1536, 14295), (1906, 11520), (1920, 11436), (2304, 9530), (2560, 8577), (2859, 7680), (2880, 7624), (3812, 5760), (3840, 5718), (4608, 4765)]