21238384

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57713}}^1$

素因数の和:57744

約数の個数: 20

約数和(自身を含む): 42939216

約数和(自身を除く): 21700832

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57713, 115426, 230852, 461704, 923408, 1327399, 2654798, 5309596, 10619192, 21238384]

約数ペア:

[(1, 21238384), (2, 10619192), (4, 5309596), (8, 2654798), (16, 1327399), (23, 923408), (46, 461704), (92, 230852), (184, 115426), (368, 57713)]