20961822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3643}}^1$

素因数の和:3792

約数の個数: 32

約数和(自身を含む): 48275712

約数和(自身を除く): 27313890

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3643, 5754, 7286, 10929, 21858, 25501, 51002, 76503, 153006, 499091, 998182, 1497273, 2994546, 3493637, 6987274, 10480911, 20961822]

約数ペア:

[(1, 20961822), (2, 10480911), (3, 6987274), (6, 3493637), (7, 2994546), (14, 1497273), (21, 998182), (42, 499091), (137, 153006), (274, 76503), (411, 51002), (822, 25501), (959, 21858), (1918, 10929), (2877, 7286), (3643, 5754)]