21613158

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 53782560

約数和(自身を除く): 32169402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 337, 509, 674, 1011, 1018, 1527, 2022, 2359, 3033, 3054, 3563, 4581, 4718, 6066, 7077, 7126, 9162, 10689, 14154, 21231, 21378, 32067, 42462, 64134, 171533, 343066, 514599, 1029198, 1200731, 1543797, 2401462, 3087594, 3602193, 7204386, 10806579, 21613158]

約数ペア:

[(1, 21613158), (2, 10806579), (3, 7204386), (6, 3602193), (7, 3087594), (9, 2401462), (14, 1543797), (18, 1200731), (21, 1029198), (42, 514599), (63, 343066), (126, 171533), (337, 64134), (509, 42462), (674, 32067), (1011, 21378), (1018, 21231), (1527, 14154), (2022, 10689), (2359, 9162), (3033, 7126), (3054, 7077), (3563, 6066), (4581, 4718)]