21781884

素因数分解:

$2^2\times 3^1\times {\mathrm{347}}^1\times {\mathrm{5231}}^1$

素因数の和:5585

約数の個数: 24

約数和(自身を含む): 50980608

約数和(自身を除く): 29198724

約数列:

[1, 2, 3, 4, 6, 12, 347, 694, 1041, 1388, 2082, 4164, 5231, 10462, 15693, 20924, 31386, 62772, 1815157, 3630314, 5445471, 7260628, 10890942, 21781884]

約数ペア:

[(1, 21781884), (2, 10890942), (3, 7260628), (4, 5445471), (6, 3630314), (12, 1815157), (347, 62772), (694, 31386), (1041, 20924), (1388, 15693), (2082, 10462), (4164, 5231)]