21507072

素因数分解:

$2^{10}\times 3^1\times {\mathrm{7001}}^1$

素因数の和:7024

約数の個数: 44

約数和(自身を含む): 57332376

約数和(自身を除く): 35825304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 3072, 7001, 14002, 21003, 28004, 42006, 56008, 84012, 112016, 168024, 224032, 336048, 448064, 672096, 896128, 1344192, 1792256, 2688384, 3584512, 5376768, 7169024, 10753536, 21507072]

約数ペア:

[(1, 21507072), (2, 10753536), (3, 7169024), (4, 5376768), (6, 3584512), (8, 2688384), (12, 1792256), (16, 1344192), (24, 896128), (32, 672096), (48, 448064), (64, 336048), (96, 224032), (128, 168024), (192, 112016), (256, 84012), (384, 56008), (512, 42006), (768, 28004), (1024, 21003), (1536, 14002), (3072, 7001)]