21918720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1427}}^1$

素因数の和:1455

約数の個数: 88

約数和(自身を含む): 70154784

約数和(自身を除く): 48236064

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, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1427, 1536, 1920, 2560, 2854, 3072, 3840, 4281, 5120, 5708, 7135, 7680, 8562, 11416, 14270, 15360, 17124, 21405, 22832, 28540, 34248, 42810, 45664, 57080, 68496, 85620, 91328, 114160, 136992, 171240, 182656, 228320, 273984, 342480, 365312, 456640, 547968, 684960, 730624, 913280, 1095936, 1369920, 1461248, 1826560, 2191872, 2739840, 3653120, 4383744, 5479680, 7306240, 10959360, 21918720]

約数ペア:

[(1, 21918720), (2, 10959360), (3, 7306240), (4, 5479680), (5, 4383744), (6, 3653120), (8, 2739840), (10, 2191872), (12, 1826560), (15, 1461248), (16, 1369920), (20, 1095936), (24, 913280), (30, 730624), (32, 684960), (40, 547968), (48, 456640), (60, 365312), (64, 342480), (80, 273984), (96, 228320), (120, 182656), (128, 171240), (160, 136992), (192, 114160), (240, 91328), (256, 85620), (320, 68496), (384, 57080), (480, 45664), (512, 42810), (640, 34248), (768, 28540), (960, 22832), (1024, 21405), (1280, 17124), (1427, 15360), (1536, 14270), (1920, 11416), (2560, 8562), (2854, 7680), (3072, 7135), (3840, 5708), (4281, 5120)]