21504252840280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{76800903001}}^1$

素因数の和:76800903019

約数の個数: 32

約数和(自身を含む): 55296650161440

約数和(自身を除く): 33792397321160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 76800903001, 153601806002, 307203612004, 384004515005, 537606321007, 614407224008, 768009030010, 1075212642014, 1536018060020, 2150425284028, 2688031605035, 3072036120040, 4300850568056, 5376063210070, 10752126420140, 21504252840280]

約数ペア:

[(1, 21504252840280), (2, 10752126420140), (4, 5376063210070), (5, 4300850568056), (7, 3072036120040), (8, 2688031605035), (10, 2150425284028), (14, 1536018060020), (20, 1075212642014), (28, 768009030010), (35, 614407224008), (40, 537606321007), (56, 384004515005), (70, 307203612004), (140, 153601806002), (280, 76800903001)]