21279360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11083}}^1$

素因数の和:11105

約数の個数: 64

約数和(自身を含む): 67834080

約数和(自身を除く): 46554720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11083, 22166, 33249, 44332, 55415, 66498, 88664, 110830, 132996, 166245, 177328, 221660, 265992, 332490, 354656, 443320, 531984, 664980, 709312, 886640, 1063968, 1329960, 1418624, 1773280, 2127936, 2659920, 3546560, 4255872, 5319840, 7093120, 10639680, 21279360]

約数ペア:

[(1, 21279360), (2, 10639680), (3, 7093120), (4, 5319840), (5, 4255872), (6, 3546560), (8, 2659920), (10, 2127936), (12, 1773280), (15, 1418624), (16, 1329960), (20, 1063968), (24, 886640), (30, 709312), (32, 664980), (40, 531984), (48, 443320), (60, 354656), (64, 332490), (80, 265992), (96, 221660), (120, 177328), (128, 166245), (160, 132996), (192, 110830), (240, 88664), (320, 66498), (384, 55415), (480, 44332), (640, 33249), (960, 22166), (1920, 11083)]