21504768

素因数分解:

$2^8\times 3^1\times {\mathrm{28001}}^1$

素因数の和:28020

約数の個数: 36

約数和(自身を含む): 57236088

約数和(自身を除く): 35731320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 28001, 56002, 84003, 112004, 168006, 224008, 336012, 448016, 672024, 896032, 1344048, 1792064, 2688096, 3584128, 5376192, 7168256, 10752384, 21504768]

約数ペア:

[(1, 21504768), (2, 10752384), (3, 7168256), (4, 5376192), (6, 3584128), (8, 2688096), (12, 1792064), (16, 1344048), (24, 896032), (32, 672024), (48, 448016), (64, 336012), (96, 224008), (128, 168006), (192, 112004), (256, 84003), (384, 56002), (768, 28001)]