21721572

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4751}}^1$

素因数の和:4888

約数の個数: 36

約数和(自身を含む): 55351296

約数和(自身を除く): 33629724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4751, 9502, 14253, 19004, 28506, 42759, 57012, 85518, 171036, 603377, 1206754, 1810131, 2413508, 3620262, 5430393, 7240524, 10860786, 21721572]

約数ペア:

[(1, 21721572), (2, 10860786), (3, 7240524), (4, 5430393), (6, 3620262), (9, 2413508), (12, 1810131), (18, 1206754), (36, 603377), (127, 171036), (254, 85518), (381, 57012), (508, 42759), (762, 28506), (1143, 19004), (1524, 14253), (2286, 9502), (4572, 4751)]